Dictionary of Developmental Biology and Embryology
Dictionary of Developmental Biology and Embryology
Editor/Author
Dye, Frank J.
Publication Year: 2012
Publisher: Wiley
Price: Core Collection Only

ISBN: 978-1-118-07651-4
Category: Science - Biology
Image Count:
69
Book Status: Available
Table of Contents
The Dictionary of Developmental Biology and Embryology, Second Edition is the first comprehensive reference focused on the field's terms, research, history, and people. This authoritative A-to-Z resource covers classical morphological and cytological terms along with those from modern genetics and molecular biology.
This book is found in the following Credo Collections:
Table of Contents
- Dedication
- Preface
- A
- A23187
- abaxial
- abdominal cavity
- ABO blood typing system
- aboral surface
- abortifacient
- abortion
- abortus
- abruptio placentae
- abscisic acid (ABA)
- abscission
- accessory sex glands
- accutane
- Acetabularia
- acetylated histones
- acetylation
- Achaete
- achondroplasia
- acid blob
- acoelomate
- acrania
- acrocentric chromosome
- acrocephaly
- acrogen
- acron
- acrosin
- acrosomal filament
- acrosomal vesicle
- acrosome
- acrosome reaction
- acrotrophic ovariole
- actin
- actinomycin D
- activation of the egg
- activator
- active immunity
- activin
- adaptive developmental plasticity
- adaxial
- adaxial cells
- adenosine triphosphate (ATP)
- adepithelial cells
- adherens junctions
- adipocytes
- adrenal glands
- adrenal hyperplasia
- adrenaline
- adrenergic neurons
- adult hemoglobin
- adult stem cells
- adventitious
- AER
- aequorin
- afterbirth
- after-ripening
- agamospermy
- agenesis
- aggregation
- aging
- AGM region
- Agnatha
- agnatha
- AIDS
- air space
- albinism
- albino
- albumen
- albumin
- albuminous seed
- alcohol
- alecithal eggs
- aleurone
- aleurone layer
- algae
- alkaline phosphatase
- allantoic diverticulum
- allantoic stalk
- allantoic vesicle
- allantois
- allele
- allelic series
- Allman George (1812–1898)
- allogamy
- allometric growth
- allometry
- allosteric enzymes
- alopecia
- alternation of generations
- alternative RNA splicing
- alveolar period
- alveoli
- amelia
- ameloblasts
- Ametabola
- ametabolous
- AMF
- AMH
- amino acids
- ammocoete
- ammonia
- ammonotelic organisms
- amnio-cardiac vesicles
- amniocentesis
- amniocyte
- amnion
- -amnios-
- amniota
- amniote egg
- amniotes
- amniotic cavity
- amniotic fluid
- amniotic folds
- amniotic sac
- amoebocyte
- amorphous
- Amphibia
- amphibians
- amphiblastic cleavage
- amphimixis
- Amphioxus
- amplexus
- ampulla
- anagenesis
- anal agenesis
- anal evagination
- anal membrane
- anal plate
- anal stenosis
- analgesic
- analogous
- analogous organs
- anamniota
- anamniotes
- anaphase
- anatomic position
- -andr-
- androecium
- androgen insensitivity syndrome
- androgenesis
- androgenic merogony
- androgens
- anencephaly
- aneuploid
- angioblasts
- angiogenesis
- angiogenetic clusters
- angiopoietin-1 (Ang1)
- angiopoietins
- angiosperms
- animal
- animal cap
- animal gradient
- animal hemisphere
- animal pole
- animalculist
- animalization
- animalized
- animal-vegetal axis
- animism
- aniridia
- anisogamy
- ankyloglossia
- anlage
- annual
- anoikis
- anovulation
- Antennapedia complex
- Antennapedia gene
- anteriad
- anterior group Hox genes
- anterior intestinal portal
- anterior neuropore
- anterior organizing center
- anterior pole
- anterior tip
- anterior visceral endoderm
- anteroposterior axis
- anther
- anther sac
- antheridiophore
- antheridium
- antheridogen
- Anthropocene
- anticlinal divisions
- anticodon
- antifertilizin
- antifungal symbiotic bacteria
- anti-Müllerian duct hormone
- anti-Müllerian factor
- antipodal cells
- antisense oligonucleotides
- antisense RNA
- antral vacuoles
- antrum
- Anura
- anus
- aorta
- aorta-gonad-mesonephros region
- aortic arches
- Apaf-1
- apical dominance
- apical ectodermal cap
- apical ectodermal ridge (AER)
- apical meristem
- apical notch
- Apoda
- apomixis (apogamy)
- apoplastic continuity
- apoptosis
- apospory
- appendage buds
- appendicular skeleton
- appendix
- appositional growth
- Apterygota
- aqueduct of Sylvius
- Arabidopsis
- archegonium
- archencephalon
- archenteron
- archenteron roof
- archeocyte
- archeocytes
- archetype
- architectural transcription factor
- area opaca
- area opaca vasculosa
- area opaca vitellina
- area pellucida
- area placentalis
- Aristotle (384–322 b.c.)
- aromatase
- arrector pili muscle
- “arrival of the fittest”
- arteries
- arthrotome
- artificial insemination
- Ascaris
- Ascaris megalocephala
- ascidians (sea squirts)
- asexual reproduction
- assembly factor
- astrocyte
- astrotactin
- asymmetric cell divisions
- atavism
- ATP
- atrazine
- atresia
- atretic follicles
- atrial septal defect
- atrichoblasts
- atrioventricular canal
- atrium
- attitude
- auditory nerves
- auditory placodes
- auditory vesicles
- auricularia
- autocrine growth factor
- autocrine signaling
- autogamous
- autonomic ganglia
- autonomic nerves
- autonomic nervous system
- autonomous specification
- autophilous
- autopod
- autopoietic
- autoregulation
- autoschizis
- autosomal mutations
- autosomes
- auxiliary sex glands
- auxin
- Aves
- avidin
- axes
- axial patterning
- axial placentation
- axial protocadherin
- axial skeleton
- axiation
- axillary
- axoneme
- axons
- azoospermia
- AZT
- B
- B cells
- B lymphocytes
- backbone
- Bacteroides thetaiotaomicron
- Baer Karl Ernst von (1792–1876)
- Balbiani rings
- Baldwin effect
- Balfour Francis (1851–1882)
- Balfour's law
- balloon catheterization
- banding techniques
- Barker hypothesis
- Barr body
- Bartholin's glands
- basal
- basal body temperature (BBT) method
- basal cell
- basal disc
- basal lamina
- basal layer
- basal level transcription
- basal placentation
- base pair
- basement membrane
- base-pairing rules
- basic helix-loop-helix (bHLH)
- basic helix-loop-helix (bHLH) family
- basic leucine zipper (bZip)
- basic leucine zipper (bZip) family
- Bateson William (1861–1926)
- battery
- Bauchstück
- Bauplan (Baupläne)
- B-catenin
- Bcl-2 genes
- Beadle George Wells (1903–1989)
- Beermann Wolfgang (1921–2000)
- Beneden Edouard Van (1846–1910)
- BFU-E
- bicoid
- bicoid mRNA
- bicoid protein
- bicornuate uterus
- biennial
- bifurcate
- bifurcation point
- bilaminar embryonic disc
- bilateral cleavage
- bilateral symmetry
- Bilateria
- Bildungstrieb
- bindin
- bindin receptor
- binding site
- binocular vision
- biochemical cytodifferentiation
- biofilms
- Biogenesis
- Biogenetic Law
- bioinformatics
- biological mother
- bipinnaria larva
- bipotential stage
- birth
- birth canal
- birth defect
- birthday
- bisphenol A (BPA)
- bithorax complex (BX-C)
- bivalent
- bladder
- -blast
- blast cell
- blastema
- blastocoel
- blastocyst
- blastocyst cavity
- blastocyte
- blastoderm
- blastodermic vesicle
- blastodisc
- blastogenesis
- blastokinesis
- blastomeres
- blastopore
- blastopore lips
- blastozooid
- blastula
- blastulation
- block to polyspermy
- blood islands
- blood plasma
- blood-testis barrier
- Blumenbach Johann Friedrich (1752–1840)
- BMP
- BMP4
- BMP4 and BMP7
- body cavity
- body contruction theory
- body folds
- body stalk
- bone marrow
- bone morphogenetic proteins (BMPs)
- Bonellia viridis
- Bonnet Charles (1720–1793)
- Born Gustav (1851–1900)
- bottle cells
- boundary sequences
- Bounoure Louis (1934–)
- Boveri Theodor (1862–1915)
- Bowman's capsule
- brachial
- brachy-
- brachydactyly
- Brachyury
- brain-derived neurotrophic factor (BDNF)
- brain vesicles
- branchial
- branchial arches
- branchial chamber
- branchial clefts
- branchial fistula
- branchial furrows
- branchial grooves (furrows)
- branchiomere
- brassinosteroids
- BRCA1
- breech presentation
- Briggs Robert (1911–1983)
- broad ligament of the uterus
- bronchioles
- bronchus
- brown fat cells
- bryophytes
- bryostatin
- buccal cavity
- bud
- budding
- bulb
- bulbourethral gland
- bulbous arteriosus
- bulge
- Bunker Eng Chang (1811–1874)
- bursa copulatrix
- burst-forming unit, erythroid (BFU-E)
- bushy chorion
- C
- C-cadherin
- C. elegans
- C-value
- C-value paradox
- cadastral genes
- cadherins
- caeno-
- caenogenesis
- caenomorphosis
- Caenorhabditis elegans
- calcium phosphate
- callus
- calvaria
- calyces
- calyx
- CAM
- cambium
- Cambrian
- Cambrian explosion
- Camerarius Rudolph (1665–1721)
- CAMs
- canalicular period
- canalization (developmental robustness)
- cancer stem cell hypothesis
- candidate gene mapping
- canonical
- capacitation
- capillaries
- caput epididymis
- carapacial ridge
- carbohydrate
- carcinoma
- cardiac bifida
- cardiac cells
- cardiac jelly
- cardiac muscle
- cardiac myoblasts
- cardiac neural crest
- cardiac prominence
- cardinal veins
- cardioblast
- cardiogenic mesoderm
- cardiomyocytes
- carotid arteries
- carpel
- carpellate flowers
- carrier
- cartilage
- cascade of embryonic inductions
- cascade of protein phosphorylations
- caspases
- catalyst
- catalyze
- cataract
- catenins
- catheterization
- cauda epididymis
- caudad
- caudal
- caudal intestinal portal (CIP)
- caudal knob
- caudal mRNA
- caul
- cavitation
- CBFA1
- Cbfa1 gene
- Cdc
- cdk
- cDNA
- cecum
- ced genes
- -cele
- cell adhesion molecules (CAMs)
- cell arrangements
- cell autonomous genes
- cell–cell adhesion
- cell cycle
- cell differentiation
- cell elongation
- cell fusion
- cell hybridization
- cell hypertrophy
- cell junctions
- cell lineage
- cell lineage restriction
- cell lineage studies
- cell-mediated immunity
- cell proliferation
- cell-sorting
- cellular affinity
- cellular blastoderm
- cellular ecosystem
- cellulose
- cement gland
- Cenozoic Era
- central cell
- central dogma of molecular biology
- central group Hox genes
- central nervous system (CNS)
- central zone
- centrioles
- centrolecithal eggs
- centromere
- centrosome
- cephalad
- cephalic
- cephalic neural crest
- cephalic precocity
- cephalic presentation
- cephalochordates
- -cephaly
- Cerberus
- cerci
- cerebellum
- cerebral hemispheres
- cerebral vesicles
- cerebrospinal fluid (CSF)
- cerebrum
- cervical canal
- cervical cap
- cervical flexure
- cervical mucus
- cervical plug
- cervical sinus
- cervix uteri
- cesarean section
- CFU-E
- CFU-GM
- CFU-Meg
- CFU-M,L
- CFU-S
- Chabry Laurent (1855–1894)
- chalaza(e)
- chancre
- chasmogamous
- checkpoints
- chemical teratogens
- chemoaffinity hypothesis
- chemoattractant
- chemorepellent
- chemotaxis
- chemotherapeutic drugs
- chiasmata
- chick
- Child Charles Manning (1869–1954)
- childbirth
- chimera
- Chironomus
- chlamydia
- chloasma
- cholinergic neurons
- Chondrichthyes
- chondrocranium
- chondrocytes
- chondrogenesis
- chondroskeleton
- chordamesoderm
- Chordata
- chordate
- chordate characteristics
- chordin
- chordoneural hinge
- chorio-allantoic membrane (CAM)
- choriocarcinoma
- chorion
- chorion frondosum
- chorion laeve
- chorionic plate
- chorionic sac
- chorionic villi
- chorionic villus sampling (CVS)
- choroid fissure
- choroid plexus
- chromaffin cell
- chromatid
- chromatin
- chromatin diminution
- chromatophores
- Chromosomal Theory of Heredity
- chromosome bands
- chromosome diminution
- chromosome elimination
- chromosome puffs
- chromosomes
- cilia
- circadian clocks
- circuit
- circulation
- circulatory arcs
- cis regulation
- cis-regulatory element
- cistron
- c-Kit protein
- clade
- class II promoter
- class switching
- cleavage
- cleavage embryogenesis
- cleavage furrow
- cleavage nucleus
- cleavage patterns
- cleft lip
- cleft palate
- cleidocranial dysplasia (CCD)
- cleidoic egg
- cleistogamous
- cloaca
- cloacal membrane
- cloacal plate
- clonal analysis
- clonal restriction
- clonal selection theory
- clone
- cloning
- clubfoot
- c-mos
- Cnidaria
- cnidarians
- CNS
- co-activator
- cochlea
- codominance
- codons
- Coelenterata
- coelenterates
- coeloblastula
- coelom
- coelomate
- coenobium
- coenocyte
- cohesion proteins
- coitus
- coitus interruptus
- colcemid
- colchicine
- coleoptile
- coleorhizae
- colinear
- colinearity
- collagen
- collagen, type IV
- collecting tubules
- colliculi
- colors
- combinatorial
- combinatorial regulation
- commensalism
- commisure
- commitment
- committed stems cells
- community effect
- compaction
- comparative embryology
- compartments
- compensatory mutation
- compensatory regeneration
- competence
- competence factor
- competence map
- competence transfer
- complete flower
- conceptacle
- conception
- conceptus
- condensation
- conditional development
- conditional mutation
- conditional specification
- cone
- congenital
- congenital anomalies
- congenital dislocation of the hip
- congenital syphilis
- conjoined twins
- conjugation
- Conklin Edwin Grant (1863–1952)
- connecting stalk
- conservation
- constitutive
- constitutive heterochromatin
- constitutive mutation
- constraints
- contact guidance
- contact inhibition
- contact placenta
- continuity of the germplasm
- contraception
- contractile proteins
- contractile ring
- contraction
- contragestion
- conus arteriosus
- convergence
- convergent extension
- cooperativity
- co-option
- copulation
- cord blood
- co-repressor
- cork cambium
- cornea
- corolla
- corona dispersing enzyme
- corona penetrating enzyme (CPE)
- corona radiata
- corpora allata
- corpora bigemina
- corpora quadrigemina
- corpus
- corpus albicans
- corpus epididymis
- corpus hemorrhagicum
- corpus luteum
- corpuscles of Meissner
- correlated progression
- cortex
- cortical granules
- cortical reaction
- cortical rotation
- cortices
- cotyledons
- covalent bond
- Cowper's glands
- CpG islands
- cranial ectodermal placodes
- cranial flexure
- cranial ganglia
- cranial nerves
- cranial neural crest
- cranial vault
- craniobuccal pouch
- craniorachischisis
- cranium
- Cretaceous-Paleocene discontinuity
- Cretaceous Period
- cri du chat
- -crine
- critical day length
- critical periods in development
- crossing over
- crossopterygians
- cross-talk
- crura cerebri
- cryogenic storage
- cryptic genetic variation
- cryptochrome
- cryptogam
- cryptorchidism
- crystallins
- CSF
- Ctenophora
- culmination
- cumulus
- cumulus oophorus
- cutis plate
- cyclic adenosine monophosphate (cAMP)
- cyclin-dependent kinase
- cyclins
- cyclopamine
- cyclopia
- cyclostomes
- cystic duct
- cystocytes
- cytochalasin B
- cytodifferentiation
- cytogenetics
- cytokines
- cytokinesis
- cytokinins
- cytology
- cytomegalovirus
- cytonemes
- cytoplasm
- cytoplasmic bridges
- cytoplasmic determinant
- cytoplasmic incompatibility
- cytoplasmic localization
- cytoplasmic matrix
- cytoplasmic organelles
- cytoplasmic rearrangements
- cytosine methylation
- cytoskeletal proteins
- cytoskeleton
- cytostatic factor
- cytotrophoblast
- cytotrophoblastic shell
- D
- -dactyly
- Dareste Camille (1822–1899)
- Darwin Charles (1809–1882)
- Darwin and embryology
- dauer
- dauer larva
- dauer larva pathway
- dauer stage
- dauerblastula
- daughter cells
- DAX1 gene
- daylength
- de novo methylases
- deacetylated histones
- Decapentaplegic (Dpp) gene
- decapentaplegic protein
- decidua
- decidua basalis
- decidua capsularis
- decidua parietalis
- decidua reaction
- deciduous placenta
- dedifferentiation
- deep homology
- deep layer (cells)
- defect experiment
- defensins
- delamination
- deletion
- Delta-Notch system
- denatured DNA
- denatured protein
- dendrites
- dental papilla
- Dentalium
- denticles
- dentin
- dentinoblast
- deoxyribonucleic acid
- deoxyribonucleotides
- dependent development
- derivative
- dermal papilla
- dermal tissue
- dermatome
- dermis
- dermomyotome
- descent
- descent with modification
- descriptive embryology
- desiccation
- desmosomes
- determinants
- determinate cleavage
- determination
- determinative development
- deuterencephalic
- deuterostomes
- Deuterostomia
- deutocerebrum
- deutoplasm
- development
- developmental anatomy
- developmental biologist
- developmental biology
- developmental constraints
- developmental domains
- developmental estrogen syndrome
- developmental evolutionary synthesis
- developmental genes
- developmental geneticist
- developmental genetics
- developmental modularity
- developmental Northern blot
- developmental origin of health and disease (DOHD) hypothesis
- developmental plasticity
- developmental program
- developmental robustness
- developmental switches
- developmental symbiosis
- developmental systems theory (DST)
- Devonian
- dextrotropic cleavage
- diacylglycerol (DAG)
- diakinesis
- diapause
- diaphragm
- diaphragmatic hernia
- diaphysis
- dickkopf
- dicots
- dicotyledonous plants
- dictyate
- Dictyostelium discoideum
- diencephalon
- diestrus
- diethylstilbesterol (DES)
- differential adhesion hypothesis
- differential cell affinities
- differential gene expression
- differential RNA splicing
- differential substrate affinity hypothesis
- differentiation
- differentiation inducing factor
- diffuse placenta
- digestive proteins
- digestive system
- digestive tube
- digit
- dihydrotestosterone
- dilatation and evacuation (D & E)
- dilatation stage of labor
- dimer
- dimorphic
- diocoel
- dioecious
- dipleurula
- diplobiont
- diploblastic
- diploblasts
- diploid
- diploid merogony
- diplont
- diplontic life cycle
- diplospory
- diplotene stage
- Diptera
- direct development
- disc
- discoblastula
- discogastrula
- discoid
- discoidal cleavage
- Discontinuity, Theory of
- disjunction
- disk
- disomy
- disparity
- disruptions
- dissociation
- distal
- Distal-less
- distal tip cell
- divergence
- diversity
- diverticulum
- dividing egg
- dizygotic twins
- DNA
- DNA-binding domain
- DNA methylation
- DNA microarrays (DNA chips)
- DNA microchip
- DNA replication
- DNA synthesis
- DNase footprinting
- DNase hypersensitive sites
- DNase protection assay
- Dolly
- domain
- domains of commitment
- dominant
- dominant negative mutation
- dominant negative protein
- dominant-recessive inheritance
- dormancy
- dorsal
- dorsal
- dorsal aortae
- dorsal axial mesoderm
- dorsal closure
- dorsal determinant
- dorsal lip of the blastopore
- dorsal mesocardium
- dorsal mesoderm
- dorsal protein
- dorsalization
- dorsalizing factors
- dorsoventral axis
- dorsum
- dosage compensation
- double assurance hypothesis
- double fertilization
- double-negative gate
- down-mutation
- downregulation
- downstream
- Down's syndrome
- Driesch Hans (1867–1941)
- Drosophila
- dry sperm
- dual gradient model
- duct of Cuvier
- duct of Santorini
- duct of Wirsung
- ductus arteriosus
- ductus choledochus
- ductus deferens
- ductus venosus
- duodenum
- duplex uterus
- duplication
- dyad
- dynamic anatomy
- dynein
- dysgenesis
- dysplasia
- E
- E-cadherin
- ecdysis
- ecdysone
- ecdysone receptors
- Ecdysozoa
- Echinoderm Theory
- eclosion
- ECM
- eco-evo-devo
- eco-devo
- ecological developmental biology
- ecological evolutionary developmental biology
- ecomorph
- ecotype
- ectoderm
- ectodermal placodes
- ectodysplasin (EDA) cascade
- ectogenesis
- ectogony
- ectomere
- ectomesenchyme
- ectopic embryos
- ectopic kidney
- ectopic pregnancy
- ectoplacental cone
- edema
- Ediacara
- Edwards Robert (1925–)
- effacement
- efferent ductules
- EGF
- EGF receptors
- egg
- egg activation
- egg capsules
- egg chamber
- egg chemistry
- egg coats
- egg cylinder
- egg follicle
- egg grooming
- egg jelly
- egg physics
- egg shell
- egg tube
- egg water
- eggs
- einsteckung
- ejaculate
- ejaculation
- ejaculatory ducts
- electron microscope
- electroporation
- emboitement
- emboly
- embryo
- embryo bank
- embryo body plan
- embryo defenses
- embryo sac
- embryo transfer (ET)
- embryoblast
- embryogenesis
- embryogeny
- embryologist
- embryology
- embryonal carcinoma (EC)
- embryonal region
- embryonate
- embryonic
- embryonic-abembryonic axis
- embryonic axis
- embryonic cell cycle
- embryonic disc
- embryonic ectoderm
- embryonic endoderm
- embryonic germ (EG) cells
- embryonic induction
- embryonic mesoderm
- embryonic period
- embryonic pole
- embryonic shield
- embryonic stem cells (ES cells)
- embryopathy
- embryophytes
- embryotomy
- embryotroph
- emulsify
- enamel hypoplasia
- enamel knot
- enamel organ
- encapsulated nerve endings
- encapsulation
- -encephaly
- end bud
- endoblast
- endocardial cushion tissue
- endocardial primordia
- endocardial tube
- endocardium
- endochondral ossification
- endocrine cells
- endocrine disruptors
- endocrine factors
- endocrine mimics (endocrine disruptors)
- endocrine signaling
- endoderm
- endoderm determinant
- endolymphatic duct
- endomere
- endomesoderm
- endometriosis
- endometrium
- Endopterygota
- endoskeleton
- endosperm
- endosperm cell
- endosteal osteoblasts
- endosymbiosis
- endothelial cells
- endotheliochorial placenta
- endothelins
- energids
- engagement
- engrailed
- enhanceosome
- enhancer
- enhancer modularity
- enhancer trap
- entelechy
- enterocoel
- enterocoely
- entoblast
- entoderm
- Entwicklungsmechanik
- enveloping layer
- environmental integration
- environmental mismatch hypothesis
- enzyme-linked receptors
- enzymes
- EP-cadherin
- epaxial muscles
- ependyma
- ependymal cells
- Eph receptors
- ephrin proteins
- epialleles
- epiblast
- epiboly
- epicardium
- epicotyl
- epidermal cells
- epidermal ectoderm
- epidermal growth factor (EGF)
- epidermis
- epididymis
- epigaster
- epigenesis
- epigenetic assimilation
- epigenetic change
- epigenetic inheritance
- epigenetic methylation
- epigenetic origin of adult diseases
- epigenetic progenitor model
- epigenetic theory
- epimere
- epimorphic regeneration
- epimorphosis
- epimyocardial primordium
- epimyocardial tube
- epimyocardium
- epinephrine
- epineural sinus
- epiphyseal fusion
- epiphyseal growth plates
- epiphyses
- epistasis
- epithelial cadherin
- epithelial cells
- epithelialization
- epithelial-mesenchymal interactions
- epithelial-to-mesenchymal transitions
- epitheliochorial placenta
- epithelium
- epoophoron
- equator
- equivalence group
- ERK
- erythroblast
- erythroblastosis fetalis
- erythrocyte
- erythroid progenitor cell (BFU-E)
- erythropoiesis
- erythropoietin
- ES cells
- esophageal atresia
- esophagus
- estrogen
- estrous cycle
- estrus
- ethylene
- eucaryotes
- euchromatin
- eukaryotes
- euploid
- eustachian tubes
- Eutheria
- euviviparity
- euviviparous
- evagination
- evanescent
- even-skipped
- “evo-devo”
- evolution
- evolutionarily conserved regions
- evolutionary developmental biology (evo-devo)
- evolutionary embryology
- Evolutionary Synthesis
- evolutionary tree
- exalbuminous seed
- excretion
- exocoelom
- exocytosis
- exogastrula
- exogastrulation
- exon
- exon shuffling
- Exopterygota
- exoskeleton
- expansin
- experimental embryology
- explant
- explantation
- expressivity
- expulsion
- exstrophy
- exstrophy of the bladder
- extant
- extension
- external auditory meatus
- external os
- external rotation
- extinct
- extracellular matrix (ECM)
- extraembryonic
- extraembryonic coelom
- extraembryonic endoderm
- extraembryonic membranes
- extraembryonic mesoderm
- extrauterine fetus
- exuviae
- F
- Fabricius Hieronymus (1537–1619)
- facultative heterochromatin
- fallopian tubes
- fascicles
- fasciclins
- fat bodies
- fate map
- fecundation
- fecundity
- fertile
- fertilin proteins
- fertility awareness methods
- fertilization
- fertilization cone
- fertilization consequences
- fertilization envelope
- fertilization membrane or fertilization envelope
- fertilizin
- Fertilizin Theory
- fetal alcohol syndrome (FAS)
- fetal hemoglobin
- fetal membranes
- fetal origins of adult disease (FOAD) hypothesis
- fetal period
- fetal plasticity
- fetoscopy
- fetus
- fetus in fetu
- FGF
- FGF receptors
- FGF2
- fibroblast growth factor (FGF)
- fibronectin
- field
- field of organization
- field-specific selector gene
- filopodia
- fimbria
- fin fold
- first polar body
- FISH
- fission
- fistula
- flagellum
- flexion
- flexures
- floor plate
- floral
- floral meristem
- floral meristem identity genes
- floral organ identity genes
- flowering control gene (FLC)
- fluorescence in situ hydridization
- foam
- focus
- Fol Hermann (1845–1892)
- folic acid (vitamin B12)
- follicle
- follicle cells
- follicle stimulating hormone (FSH)
- follicular stem cell
- follistatin
- fontanelles
- foot activator gradient
- foot inhibitor gradient
- foramen cecum
- foramen ovale
- foramen primum
- foramen secundum
- foramina of Monro
- forebrain
- forebrain protuberance
- foregut
- founder animal
- founder cell
- fourth ventricle
- fraternal twins
- free-central placentation
- free nerve terminations
- freemartin
- French flag
- frizzleds
- frogs
- frontal plane
- frontonasal process
- frontonasal prominence
- fructose
- fruit
- Fucus
- functional genomics
- fundus
- Fungi
- funiculus
- fusogen
- fusome
- G
- Go
- G1
- G1 checkpoint
- G2
- G2 checkpoint
- G proteins
- gain-of-function mutation
- gallbladder
- gametangium
- gamete intrafallopian transfer (GIFT)
- gamete recognition proteins
- gametes
- gametic meiosis
- gametogenesis
- gametophyte
- gametophyte generation
- ganglion
- ganglion cells
- ganglion mother cell
- gap genes
- gap junctions
- Garstang Walter (1868–1949)
- Gartner's ducts
- Gastraea Theory
- gastrocoel
- gastrula
- gastrulate
- gastrulation
- Gegenbaur Karl (1826–1903)
- gel mobility shift assay
- gemma
- gemmation
- gemmule formation
- gemmules
- gene
- gene alteration
- gene cloning
- gene clusters
- gene complex
- gene divergence
- gene duplication
- gene expression
- gene family
- gene knockout
- gene targeting
- general transcription factors (GTFs)
- generative cell
- genetic accommodation
- genetic assimilation
- genetic code
- genetic diversity
- genetic heterogeneity
- genetic mosaics
- genetic redundancy
- genetic screen
- genetic sex
- genetic toolbox
- geneticist
- genetics
- genistein
- genital folds
- genital herpes
- genital papilla
- genital pores
- genital ridge
- genital swellings
- genital tubercle
- genitalia
- genome
- genome duplication
- genomic equivalence
- genomic imprinting
- genomics
- genotype
- Geoffroy Saint-Hilaire Etienne (1772–1844)
- germ band
- germ band stage
- germ cell determinants
- germ cell-less (gcl)
- germ cells
- germ layers
- germ line
- germ-line mutation
- germ plasm
- germ plasm theory
- germ ring
- germ wall
- germarium
- germinal crescent
- germinal disc
- germinal epithelium
- germinal neuroepithelium
- germinal vesicle
- germination
- germplasm
- gerontology
- gestate
- gestation
- gestation period
- gestational mother
- gibberellic acid (GA)
- gill arches
- gill (branchial) chamber
- gill clefts
- gill plates
- gill slits
- gills
- glands of Littré
- glaucoma
- glial cells
- glial growth factor (GGF)
- glial guidance
- glioblasts
- globular stage embryo
- glomerular filtrate
- glomerulus
- -glossia
- glucose
- Gluecksohn-Schoenheimer Salome
- glutathione
- glycoprotein
- glycosaminoglycans (GAGs)
- gnathostomes
- Goldschmidt Richard (1878–1958)
- Golgi apparatus
- gonadal ridges
- gonadotrophin
- gonadotropin
- gonadotropin-releasing hormone (GnRH)
- gonads
- gonial syncytia
- gonidia
- gonocytes
- gonorrhea
- gonotome
- goosecoid
- Graaf Regnier de (1641–1673)
- Graafian follicle
- gradient
- gradualism
- granulocytes
- granulosa cells
- gray crescent
- gray matter
- great fault of embryology
- green fluorescent protein
- grex
- Grobstein Clifford (1916–1998)
- ground meristem
- ground tissue
- growth
- growth cone
- growth factor
- growth hormone
- growth plate closure
- guard mother cell
- Gurdon Sir John Bertrand (1933–)
- gurken gene
- gurken protein
- gut
- gut-associated lymphoid tissue (GALT)
- GVBD
- gymnosperms
- -gyn-
- gynandromorphs
- gyne
- gynoecium
- gynogenesis
- gynomerogony
- gyri
- H
- Haeckel Ernst (1834–1919)
- hair germ
- hairy gene
- Haldane J. S. (1860–1936)
- Haller Albrecht von (1708–1777)
- halteres
- Hamburger Viktor (1900–2001)
- Hammerling Joachim (1901–1980)
- haplodiploidy
- haplodiplontic life cycle
- haploid
- haploinsufficiency
- haplont
- haptotaxis
- hard palate
- harelip
- Harris J. Arthur (1880–1930)
- Harrison Ross Granville (1879–1959)
- Hartsoeker Nicolaas (1656–1725)
- Harvey William (1578–1657)
- hatching
- hCG
- head activator gradient
- head fold
- head inhibitor gradient
- head kidney
- head mesoderm
- head process
- head process stage
- heart development
- heart murmur
- heart stage embryo
- heat shock
- heat shock proteins (Hsp)
- hedgehog
- hedgehog receptor
- hedgehog signal transduction pathway
- Heilbrunn Lewis Victor (1892–1959)
- Hellin's Law
- hemangioblasts
- hematopoiesis
- hematopoietic
- hematopoietic inductive environments (HIMs)
- hematopoietic stem cells (HSCs)
- Hemichordata
- hemichordate
- Hemichordate Theory
- Hemimetabola
- hemimetabolous
- hemisected
- hemizygous
- hemochorial placenta
- hemodichorial placenta
- hemoendothelial placenta
- hemogenic endothelial cells
- hemoglobin
- hemolytic disease of the newborn
- hemorrhage
- hemotrichorial placenta
- Hensen's node
- hepatectomy
- hepatic diverticulum
- hepatic duct
- hepatocyte growth factor (HGF)
- Herbst Curt (1866–1946)
- hermaphrodite
- hermaphroditic
- hermaphroditism
- hernia
- herpes simplex virus (HSV)
- Hertwig Wilhelm August Oscar (1849–1922)
- Hertwig’ s Law
- heteroblastic
- heterochromatin
- heterochronic mutation
- heterochrony
- heterocyberny
- heterogamy
- heterogeneous nuclear RNA (hnRNA)
- heterogony
- heterokaryon
- heterometry
- heteromorphosis
- heteroplastic transplantation
- heterosporous
- heterotaxis
- heterothallus
- heterotopic graft
- heterotopy
- heterotypy
- heterozygous
- Heuser's membrane
- hibernal
- hierarchy
- high mobility group (HMG)-box factors
- higher vertebrates
- hindbrain
- hindgut
- hinge regions
- His Wilhelm (1831–1904)
- histioblasts
- histoblasts
- histodifferentiation
- histogenesis
- histolysis
- histone acetylation
- histone acetyltransferase
- histone deacetylases
- histone methylation
- histone methyltransferases
- histones
- Historical Periods of Embryology
- History of Evolutionary Biology
- histotypic aggregation
- HIV
- HMG protein
- holandric genes
- holoblastic
- Holometabola
- holometabolous
- Holtfreter Johannes (1901–1992)
- Hom-C
- homeobox
- homeobox genes
- homeodomain
- homeodomain family
- homeodomain protein
- homeoprotein
- homeorhesis
- homeosis
- homeothermic
- homeotic complex (Hom-C)
- homeotic gene
- homeotic mutation
- homeotic selector genes
- homoiogenetic
- homolecithal eggs
- homologous
- homologous chromosomes
- homologous developmental pathways
- homologous genes
- homologous organs
- homologous recombination
- homologous regulatory genes
- homologs
- homology
- homonomous
- homophilic binding
- homoplasy
- homosporous
- homothallus
- homozygous
- homunculus
- hopeful monster
- hopeless monsters
- horizontal division
- horizontal transmission
- hormone response elements
- hormones
- hornworts
- horseshoe kidney
- Horstadius Sven (1898–1996)
- housekeeping genes
- Hox genes
- Hox proteins
- hub
- Hubel, David (1926–)
- human accelerated regions (HARs)
- Human Genome Project
- humoral immunity
- hunchback
- hunchback protein
- Hunter John (1728–1793)
- Hutchinson–Gilford progeria syndrome
- Huxley Thomas Henry (1825–1895)
- hyalin
- hyaline membrane
- hyaline membrane disease
- hyaluronic acid
- hyaluronidase
- hybrid merogony
- hydatidiform mole
- Hydra
- hydro-
- hydrocephalus
- hydrocephaly
- hydrogen bonds
- hydrolytic
- hydronephrosis
- 20-hydroxyecdysone
- Hymenoptera
- hyoid arches
- hyomandibular furrows
- hyomandibular pouches
- hypaxial muscles
- hyperactivation
- hypermetamorphism
- hypermorphosis
- hyperplasia
- hypertrichosis
- hypha
- hypoblast
- hypobranchial eminence
- hypocotyl
- hypomere
- hypophysis
- hypoplasia
- hypostome
- I
- ichthyosis congenita
- ICM
- ICSI
- identical twins
- IGF
- IL
- Illyanassa obsoleta (Nassarius obsoletus)
- imaginal
- imaginal buds
- imaginal discs
- imaginal molt
- imago
- imbibition
- immature ovum
- immediate adaptive responses
- immortality of the germplasm
- immunoglobulin superfamily CAMs
- imperfect flower
- imperforate anus
- imperforate hymen
- implantation
- imprinting
- IMZ
- in cis
- in situ
- in situ hybridization
- in trans
- in utero
- in utero surgery
- in vitro
- in vitro fertilization (IVF)
- in vivo
- inborn errors of metabolism
- incomplete flower
- incubation
- indeciduate placenta
- independent development
- indeterminate cleavage
- India ink
- indifferent stage
- indirect development
- individualization
- individuation
- indoleacetic acid (IAA)
- induced labor
- induced pluripotent stem cells (iPS cells)
- inducer
- inducing factors
- induction
- indusium
- inferior
- inferior vena cava
- inflorescence
- inflorescence meristem
- infundibulum
- ingression
- inguinal ring
- inheritance of acquired characteristics
- initials
- inner cell mass (ICM)
- innervate
- inositol triphosphate (IP3)
- insectivores
- instar
- instars
- instructive interaction
- insulator
- insulator sequences
- insulin-like growth factor I (IGF-I)
- integrins
- integuments
- intercalary meristems
- intercalated discs
- intercalation
- intercourse
- interdigital necrotic zone
- interior necrotic zone
- interkinesis
- interlaminar jelly
- Interleukin-2 (IL-2)
- Interleukin-3 (IL-3)
- intermediate filaments
- intermediate inheritance
- intermediate layer
- intermediate mesoderm
- intermediate spermatogonia
- internal rotation
- internodes
- interphase
- intersex
- interspecies epigenesis
- interspecific incompatibility
- interstitial cells of Leydig
- interstitial growth
- interstitial tissue
- intervening sequence
- interventricular septum
- interventricular sulcus
- intervertebral discs
- intervillous spaces
- intracellular signal transduction
- intracytoplasmic sperm injection (ICSI)
- intraembryonic
- intramembranous ossification
- intraspecific incompatibility
- intrauterine device
- intron
- invagination
- inversion
- invertebrates
- involuting marginal zone (IMZ) cells
- involution
- ionophores
- iris
- irregular cleavage
- islets of Langerhans
- isogamy
- isolation experiment
- isolecithal
- isomerism
- isometric growth
- isthmus
- iteroparous
- IUD (intrauterine device)
- IVF
- J
- Jacob Francois (1920–)
- JAK-STAT signal transduction pathway
- jaundice of newborn
- jelly coat
- Jenkinson J. W. (1871–1915)
- jervine
- jugular veins
- Just Ernest J. (1883–1941)
- juvenile
- juvenile hormone
- juvenile phase
- juxtacrine factors
- juxtacrine signaling
- K
- kairomones
- Kallman syndrome
- Kartagener's syndrome
- karyogamy
- karyokinesis
- karyoplasm
- karyotype
- keel
- Keller explant
- keratin
- keratinocyte growth factor (KGF)
- keratinocytes
- KGF
- kinases
- kinesin
- kinetochore
- Klinefelter's syndrome
- klotho gene
- knockin
- knockout
- Koller's sickle
- Kölliker Albrecht von (1817–1905)
- Kolreuter Joseph (1733–1806)
- Kovalevsky Aleksandr O. (1840–1901)
- Kowalevsky Aleksandr O. (1840–1901)
- Kupffer's cells
- Kupffer's vesicle
- L
- labeled pathways hypothesis
- labiogingival lamina
- labioscrotal folds
- labor
- labyrinth
- labyrinthodonts
- lactation
- lactiferous ducts
- lacunae
- lacZ gene
- lamellipodia
- lamina basalis
- lamina terminalis
- laminin
- lampbrush chromosomes
- lancelets
- Langerhans cells
- Lankester Ray (1847–1929)
- lanugo
- laparoscopy
- laparotomy
- large offspring syndrome
- larva
- Larvacea
- larval molt
- laryngotracheal groove
- latebra
- laterad
- lateral
- lateral body folds
- lateral geniculate nucleus
- lateral lingual swellings
- lateral meristem
- lateral mesoderm
- lateral palatine processes
- lateral plate mesoderm
- lateral somitic frontier
- lateral ventricles
- latitudinal division
- Law of Independent Assortment
- Law of Segregation
- LD50
- leaf axils
- leaf development
- leaf primordia
- lectin
- lectin interaction
- Leeuwenhoek Antony van (1632–1723)
- leghemoglobin
- lens placodes
- lens vesicles
- leptotene
- level-interactive modular array
- Levi-Montalcini Rita (1909–)
- levonorgestrel
- levotropic cleavage
- Lewis Edward B. (1918–2004)
- Lewis Warren (1870–1964)
- Leydig cells
- lie
- life expectancy
- ligand
- ligation, tubal
- Lillie F. R. (1870–1947)
- Lim genes
- LIM-homeodomain proteins
- limb buds
- limb field
- limbs
- linea nigra
- lineage
- lineage-based information
- lineage diagram
- lineage labels
- lineage-restricted stem cells
- lineage studies
- lipid
- lipovitellin
- liquor folliculi
- litter
- Littré's glands
- liver bulge
- liver primordium
- liverworts
- lobster-claw deformity
- locule
- locus
- locus control regions (LCRs)
- Loeb Jacques (1859–1924)
- long-day plants
- long-germ development
- Lophotrochozoa
- loss-of-function mutation
- lower vertebrates
- lumbar rib
- lumen
- luminal surface
- lung bud
- lungs
- luteinizing hormone (LH)
- luteotropin
- lymphoid precursor cell
- Lyon hypothesis
- Lysenko Trofim (1898–1976)
- lysins
- lysosomal storage diseases
- lysosomes
- lysozyme
- M
- M checkpoint
- M-phase promoting factor (MPF)
- macrocephaly
- macroevolution
- macrogamete
- macroglossia
- macrolecithal eggs
- macromeres
- macromolecules
- macrophyll
- macrostomia
- macula
- maintenance methylases
- malformations
- Malpighi Marcello (1628–1694)
- Malpighian layer
- Malpighian tubules
- Mammalia
- mammalian embryos
- mammary glands
- mammary ridges
- mandible
- mandibular arches
- Mangold Hilde (1898–1924)
- Mangold Otto (1891–1962)
- mantle layer
- MAP
- MAP kinase
- MAPK
- MAPs
- marginal cells
- marginal layer
- marginal sinus
- marginal zone
- marine invertebrates
- marrow
- marsupial
- marsupium
- Mash-1
- MASH1 gene
- master regulatory genes
- maternal effect genes
- maternal effects stage
- maternal-fetal co-development
- maternal inheritance
- maternal message
- maternal mRNA
- maternal proteins
- mathematical modeling
- matrotrophy
- maturation divisions
- maturation-promoting factor (MPF)
- maxilla
- maxillary processes
- maximum life span
- mazopathy
- mechanoreceptors
- Meckel Johann Friedrich (1781–1833)
- Meckel's cartilage
- Meckel's diverticulum
- meconium
- mediad
- medial palatine process
- medial plane
- mediastinum testis
- mediolateral axis
- medulla
- medullary cord(s)
- medullary folds
- medullary plate
- megagametogenesis
- megagametophyte
- megalecithal eggs
- megalocephaly
- megaphyll
- megasporangium
- megaspore
- megaspore mother cell
- megasporocyte
- megasporogenesis
- megasporophyll
- meiolecithal eggs
- meiosis
- meiosis and the life cycle
- meiotic chromosome terminology
- MEK
- melanin
- melanocyte stem cell
- melanocytes
- melanoma
- -melia
- meltrins
- membrana granulosa
- membranous labyrinth
- memory cells
- menarche
- Mendel Gregor (1822–1884)
- mendelian
- meningocele
- meningocephalocele
- meningomyelocele
- menopause
- menses
- menstrual age
- menstrual cycle
- mericlinal chimeras
- meridional division
- meridional plane
- meristem
- meristic variation
- Merkel cells
- Merkel's tactile disc
- meroanencephaly
- meroblastic
- merogone
- merogony
- meroistic oogenesis
- meroistic ovariole
- meromelia
- MESA
- mesectoderm
- mesencephalon
- mesenchymal cell
- mesenchymal stem cells (MSCs)
- mesenchyme
- mesenchyme-to-epithelium transitions
- mesendoderm
- mesenteries
- mesenteron rudiments
- mesentoblasts
- mesentoderm
- mesocoel
- mesoderm
- mesoderm induction
- mesodermal mantle
- mesogastrium
- mesoglea
- mesolecithal eggs
- mesomere
- mesomeres
- mesometencephalic fold
- mesonephric ducts
- mesonephric ridge
- mesonephric tubules
- mesonephros
- mesorchium
- mesosalpinx
- mesovarium
- Mesozoic Era
- messenger RNA (mRNA)
- Metabola
- metacentric chromosome
- metacoel
- metadiscoidal placenta
- metafemales
- metagenesis
- metalloproteinases
- metallothioneins
- metamere
- metamerism
- metamorphic climax
- metamorphic molt
- metamorphosis
- metanephric diverticulum
- metanephrogenous mesoderm
- metanephros
- metaphase
- metaphase chromosome spread
- metaphase plate
- metaplasia
- metastasis
- metatela
- Metatheria
- metazoa
- metazoan development
- Metchnikoff Elie (1845–1916)
- metencephalon
- methoprene
- Methuselah gene
- methylation
- methylation erasure
- microarray
- microbial consortia
- microcephaly
- microevolution
- microfilament
- microgamete
- microgametogenesis
- microgametophyte
- microglossia
- microinjection
- microlecithal eggs
- micromeres
- microphyll
- micropyle
- microRNAs (miRNAs)
- microspikes
- microsporangium
- microspore
- microspore mother cell
- microsporocyte
- microsporogenesis
- microsporophyll
- microstomia
- microsurgical epididymal sperm aspiration (MESA)
- microtrabecular lattice
- microtubule-associated proteins (MAPs)
- microtubule-organizing centers (MTOCs)
- microtubules
- micturition
- midblastua transition (MBT)
- midbrain
- midgut
- midgut loop
- midpiece
- mifepristone
- migration
- Mintz, Beatrice (1921–)
- Minute technique
- MIS
- miscarriage
- MITF
- mitochondria
- mitochondrial cloud
- mitochondrial ribosomal RNA (mtrRNA)
- mitogen
- mitogen-activated protein kinase (MAPK)
- mitogenic
- mitosis
- mitosis-promoting factor (MFP)
- mitotic recombination
- mitral valve
- mittelschmerz
- mixed cranial nerves
- mixed nerves
- model organisms
- Modern Synthesis
- modularity
- molar pregnancy
- mold
- molecular clock
- molecular cloning
- molecular parsimony
- molting
- monocarpic plants
- monocots
- monocotyledonous plants
- Monod Jacques Lucien (1910–1976)
- monoecious
- monomer
- monophyletic
- monophyletic group
- monosomy
- monospermy
- monotremes
- monozygotic twins
- monster
- Morgan Thomas Hunt (1866–1945)
- morning sickness
- morph
- morphallactic regeneration
- morphallaxis
- morphogen
- morphogen receptor gradient
- morphogenesis
- morphogenetic constraints
- morphogenetic determinants
- morphogenetic fields
- morphogenetic furrow
- morphogenetic gradient
- morphogenetic law
- morphogenetic movements
- morpholino
- morphology
- morphospecies
- morula
- mosaic
- mosaic behavior
- mosaic determination
- mosaic development
- mosaic pleiotropy
- motifs
- motor cranial nerves
- motor proteins
- movement proteins
- mucopolysaccharides
- mucous gland
- mucus
- Muller Fritz (1822–1897)
- Müller Johannes Peter (1801–1858)
- Müllerian ducts
- Müllerian-inhibiting substance (MIS)
- multicellular
- multicellularity
- multifactorial inheritance
- multigravida
- multinucleated
- multiple allelism
- multiple pregnancy
- multipotent cardiac progenitor cells
- multipotent stem cells
- mural trophoblast
- muscle spindles
- mushroom
- mutagenesis screens
- mutagenized
- mutagens
- mutation
- mutualism
- mutualistic consortia
- mycelium
- mycorrhiza
- mycosporines
- myelencephalon
- myelin
- myelination
- myelocoel
- myeloid precursor cell
- myeloschisis
- myoblasts
- myocardium
- myocoel
- MyoD
- MyoD family
- myoepithelial cells
- myofibrils
- myogenesis
- myogenic bHLH
- myomere
- myoplasm
- myosin
- myotome
- myotubes
- N
- N-acetylglucosaminadase
- N-acetylglucosamine:galactosyltransferase
- N-cadherin
- nanos
- nanos mRNA
- nanos protein
- nares
- nasal passages
- nasal pits
- nasal placodes
- nasal septum
- nasofrontal process
- nasolacrimal groove
- nasolateral processes
- nasomedial processes
- nasopalatine duct
- nasopharynx
- native DNA
- native protein
- natural selection
- nebenkern
- neck of the latebra
- neck neural crest
- necrosis
- Needham Joseph (1900–1995)
- Nematoda
- Nemertea
- neoblasts
- neo-Darwinism
- neoplasia
- neoplasm
- neoteny
- nephrocoel
- nephrogenic cord
- nephrogenic tissue
- nephron
- nephrostomes
- nephrotome
- nephrotomic plate
- nerve
- nerve growth factor (NGF)
- nerve tracts
- netrins
- network
- neural cadherin
- neural canal
- neural cell adhesion molecule (N-CAM)
- neural crescent
- neural crest
- neural-derived mitotic factors
- neural ectoderm
- neural folds
- neural groove
- neural plate
- neural retina
- neural ridges
- neural tube
- neuralizing activity
- neurenteric canal
- neurites
- neuroblasts
- neurocoel
- neurocranium
- neuroectoderm
- neuroepithelium
- neurogenesis
- neurogenin
- neurohypophysis
- neuromeres
- neurons
- neuropores
- neurotrophins
- neurula
- neurulation
- neurulation, primary
- neurulation, secondary
- NF-kB
- NGF
- niche construction
- Nicolaus Kleinenberg (1842-1897)
- nidation
- Nieuwkoop center
- Nieuwkoop Pieter (1917–1996)
- NIMZ
- nitrogenous waste
- Nkx2-5
- Nobel Prizes
- nocodazole
- nodal gene
- node
- nodes
- noggin
- non-cell autonomous genes
- nondisjunction
- noninvoluting marginal zone (NIMZ) cells
- nonsister chromatids
- nonsurgical sperm aspiration
- norgestrel
- Northern blot
- nostrils
- notochord
- notochordal canal
- novelty
- NSA
- nucellus
- nuclear envelope
- nuclear equivalence
- nuclear membrane
- nuclear pores
- nuclear receptor superfamily
- nuclear RNA (nRNA)
- nuclei
- nucleocytoplasmic ratio (N/P ratio)
- nucleolar organizer
- nucleolus
- nucleoplasm
- nucleosome
- nucleosome positioning
- nucleus
- nucleus of Pander
- nucleus pulposus
- null mutation
- nurse cells
- Nüsslein-Volhard Christiane (1941–)
- nutritional polyphenism
- nymph
- O
- obesigen
- obstetrician
- odontoblasts
- odontogenesis
- olfactory cells
- olfactory epithelium
- olfactory lobes
- olfactory nerves
- olfactory pits
- olfactory placodes
- oligodendrocytes
- oligohydramnios
- oligolecithal
- omental bursa
- omphalocele
- omphalogenesis
- omphalomesenteric arteries
- omphalomesenteric duct
- omphalomesenteric veins
- oncogene
- oncosis
- one gene–one enzyme hypothesis
- one gene–one polypeptide
- one gene–one family of proteins
- ontogenetic hypertrophy
- ontogenetic inconstancy
- ontogeny
- ontogeny recapitulates phylogeny
- Onychophora
- oocyte
- oogamy
- oogenesis
- oogonia in adult mammalian ovaries
- oogonium
- oolema
- ooplasm
- ooplast
- ootid
- oozooid
- operculum
- operon
- Operon Theory
- optic bulges (protuberances)
- optic chiasma
- optic cups
- optic lobes
- optic nerves
- optic recess
- optic stalk
- optic tectum
- optic vesicles
- oral-aboral axis
- oral evagination
- oral plate
- oral sucker
- oral surface
- Ordovician
- Organ of Jacobson (Jacobson's organ)
- organelles
- organizer
- organizer graft
- organogenesis
- oropharyngeal membrane
- oropharynx
- orphan embryos
- orthologous regulatory genes
- orthologs
- orthotopic graft
- os
- oskar mRNA
- ossicles
- ossification
- ossification center
- Osteichthyes
- osteoblasts
- osteoclasts
- osteocytes
- osteogenesis
- osteoid matrix
- osteopetrosis
- osteoporosis
- osteoprotegerin
- ostium
- ostracoderms
- otic capsule
- otic placodes
- otic vesicles
- otocyst
- otolith
- outgroup
- ovarian follicle
- ovaries
- ovariole
- ovary
- oviducts
- oviparity
- oviparous
- ovist
- ovothiol
- ovoviviparity
- ovoviviparous
- ovulation
- ovule
- ovum
- oxycephaly
- oxytocin
- P
- p53
- P-cadherin
- P element
- P-granules
- pacemaker
- pachytene
- Paedogenesis
- paedomorphosis
- pair-rule genes
- palate
- palatine shelf
- Paleocene period
- paleogenesis
- paleomorphic
- Paleozoic Era
- palmar erythema
- pampiniform plexus
- pancreas
- pancreatic diverticulum
- Pander Christian (1794–1865)
- Pangenesis
- panoistic ovariole
- Panspermy
- papilla
- parabiosis
- paracrine factors
- paracrine signaling
- paradidymis
- paradigm
- ParaHox genes
- paralogous genes
- paralogous group
- paralogs
- paramesonephric ducts
- paraptosis
- parasegments
- parasitism
- parathyroid glands
- paraxial mesoderm
- paraxial protocadherin
- Paraxis protein
- parazoa
- parenchymal cells
- parietal
- parietal mesoderm
- parietal placentation
- parthenocarpy
- parthenogenesis
- parthenogenesis induction
- parthenomerogony
- partial birth abortions
- partial cleavage
- partial hepatectomy
- parturition
- passive immunity
- Patella
- patent ductus arteriosus
- paternal epigenetic effects
- pathway
- pattern formation (patterning)
- pattern of cleavage
- patterning
- Pax genes
- Pax proteins
- Pax6
- PDA
- PDGF
- pelvic cavity
- pelvic inflammatory disease (PID)
- pelvic kidney
- pelvis
- penetrance
- penis
- perennial
- perfect flower
- perianth
- periblast
- periblastula
- pericardial cavity
- pericarp
- perichondrium
- periclinal divisions
- pericyte
- periderm
- periosteal bone
- periosteal buds
- periosteum
- peripheral
- peripheral nervous system (PNS)
- peripheral zone
- periplasm
- peristalsis
- peristome
- peritoneal cavity
- peritoneum
- perivisceral cavity
- perivitelline space
- permissive interaction
- peroxidase
- petal
- Pfeffer Wilhelm Friedrich Philipp (1845–1920)
- Pflüger Eduard (1829–1910)
- PGCs
- pH
- phallus
- phanerogam
- pharyngeal arches
- pharyngeal bursa
- pharyngeal pouches
- pharyngobranchial duct
- pharyngula stage
- pharynx
- phenocopy
- phenotype
- phenotypic accommodation
- phenotypic heterogeneity
- phenotypic plasticity
- phenotypic sex
- phenotypic suppression
- philtrum
- phloem
- phocomelia
- -phora
- phosphatidylinositol bisphosphate (PIP2)
- phosphoinositol pathway
- phospholipase C
- phosvitin
- photolyase
- photomorphogenesis
- photoperiod
- photoperiodism
- photoreceptor cells
- phototropin
- phototropism
- phthalates
- phyletic constraints
- phyletic transformation
- phyllotaxy
- phylogenetic tree
- phylogeny
- phylotypic stage
- phylum
- physical constraints
- physiology
- phytochelatins
- phytochromes
- PiED
- pigment cells
- pigmentation
- pigmented retina
- pineal gland
- pinnae
- pioneer nerve fibers
- pioneer transcription factors
- pistil
- pistillate flowers
- pituitary gland
- placenta
- placenta accreta
- placenta fetalis
- placenta materna
- placenta previa
- placental activities: endocrine secretion
- placental activities: metabolism
- placental activities: transfer
- placental barrier
- placental cadherin
- placental circulation
- placental classification
- placental membrane
- placental septa
- placental stage
- placentation
- Placodermi
- placoderms
- placodes
- plagiocephaly
- planaria
- planes
- plant
- -plasia
- plasma
- plasma cell differentiation
- plasma cells
- plasma membrane
- plasmodesmata
- plasmodium
- plastochron
- platelet-derived growth factor (PDGF)
- Platyhelminthes
- pleiotropic
- pleiotropy
- plesiomorphic
- pleural cavities
- -ploid
- plumule
- pluripotent
- pluripotent epidermal stem cell
- pluripotent neural stem cell
- pluripotential hematopoietic stem cell
- pluteus larva
- PMZ
- PNS
- poikilothermic
- polar body
- polar coordinate model
- polar granule component (Pgc)
- polar granules
- polar lobe
- polar nuclei
- polar trophoblast
- polarization
- pole cells
- pole plasm
- poles
- pollen
- pollen germination
- pollen grain
- pollen tube
- pollination
- polocyte
- poly-
- polyandry
- polycarpic plants
- polychlorinated biphenyls (PCBs)
- polycomb proteins
- polydactyly
- polyembryony
- polygamous
- polygenic
- polygyny
- polyhydramnios
- polyinvagination islands
- polymastia
- polymer
- polymerase chain reaction (PCR)
- polymorphic
- polymorphism
- polyphenism
- polyphyletic group
- polyploidy
- polyspermy
- polytene chromosomes
- polytrophic ovariole
- pons
- pontine
- pontine flexure
- position
- positional gene cloning
- positional information
- positional value
- postanal gut
- posteriad
- posterior dominance
- posterior fornix
- posterior group Hox genes
- posterior intestinal portal
- posterior marginal zone (PMZ)
- posterior neuropore
- posterior organizing center
- posterior prevalence
- posteriorizing activity
- postpartum
- posttranslational regulation
- postzygotic isolation
- potassium chloride (KCl)
- potency
- prechordal plate
- precipitation
- precocenes
- precocious
- predator-induced defense
- predator-induced polyphenism
- predictive adaptive responses
- preformationism
- pregnancy
- pregnancy reduction
- preimplantation embryo diagnosis (PiED)
- premature
- premature chromosome condensation
- premaxilla
- pre-messenger RNA (pre-mRNA)
- prenatal
- prenatal diagnosis
- preoral gut
- prepupa
- presentation
- presumptive
- prezygotic isolation
- primary axis
- primary embryonic induction
- primary follicle
- primary hypoblast
- primary inducer
- primary larvae
- primary mesenchyme cells
- primary nephric ducts
- primary neurulation
- primary oocyte
- primary ossification centers
- primary sex determination
- primary tissues
- primary transcript
- primary vesicles
- primigravida
- primitive alveoli
- primitive blood cells
- primitive groove
- primitive gut
- primitive knot
- primitive node
- primitive pit
- primitive ridges
- primitive streak
- primitive streak stage
- primordial follicle
- primordial germ cells (PGCs)
- primordium
- Pringsheim Nathaniel (1823–1894)
- proacrosin
- proamnion
- procambium
- procaryotes
- prochordal plate
- proctodaeum
- proctodeum
- proerythroblast
- progenesis
- progenitor
- progenitor cell
- progeria
- progesterone
- programmed cell death
- progress zone
- progressive determination
- prokaryotes
- prolactin
- proliferation
- proliferin (PLF)
- proliferin-related protein (PRP)
- promeristem
- prometaphase
- promoter
- pronephric ducts
- pronephric swellings
- pronephric tubules
- pronephros
- proneural cluster
- proneural genes
- pronuclei fusion
- pronucleoli
- pronucleus
- pronymph stage
- prophase
- prosencephalon
- prosocoel
- prospective fate
- prospective potency
- prostaglandins
- prostate gland
- protamines
- proteases
- protective cloning
- protein kinase C
- protein–protein domain
- proteins
- proteoglycans
- proteome
- proteomics
- Proterozoic
- prothallial cell
- prothallium
- prothallus
- prothoracic gland
- prothoracicotropic hormone (PTTH)
- protoblast
- protocadherins
- protocerebrum
- protochordates
- protoderm
- Proto-Hox gene complex
- protonema
- proto-oncogene
- protoplasm
- protostomes
- Protostomia
- Prototheria
- protozoa
- proximal
- pseudocoelom
- pseudocoelomates
- pseudogene
- pseudoglandular period
- pseudohermaphroditism
- pseudoplasmodium
- pseudopregnancy
- Pteridophyta
- pterospermous
- Pterygota
- puberty
- pubescence
- pulmonary circulation
- pulmonary stenosis
- pulmonary trunk
- punctuated equilibrium theory
- pupa
- puparium
- pupation
- Purkinje Jan Evangelista (1787–1869)
- Purkinje fibers
- Purkyne Johannes (1787–1869)
- pyloric stenosis
- Q
- quadruplets
- quantitative trait
- quantitative trait loci (QTL)
- quiescent
- quiescent cell
- quiescent center
- R
- rachischisis
- radial cleavage
- radial patterning
- radial symmetry
- Radiata
- radiation
- radicle
- Ramón y Cajal Santiago (1852–1934)
- Rana
- random epigenetic drift
- random segregation of chromosomes
- Ras
- Rathke Heinrich (1793–1860)
- Rathke's pocket
- Rb
- reaction-diffusion model
- reaction norm
- reactive oxygen species (ROS) theory of aging
- realisator genes
- reawakening of the morphogenetic process
- Recapitulation Theory
- receptacle
- receptor
- receptor gradient
- receptor proteins
- receptor tyrosine kinase
- recessive
- reciprocal embryonic induction
- reciprocity of epigenetic and genetic cancer causation
- recombinant DNA
- recombination
- recombination experiment
- reconstitution
- rectovaginal fistula
- recumbent
- red blood cells
- reductionism
- redundancy
- regeneration
- regeneration blastema
- regenerative medicine
- region-specific selector genes
- regional specificity
- regulation
- regulative development
- regulatory circuit
- regulatory evolution
- regulatory genes
- Reichert's membrane
- relational pleiotropy
- Remak Robert (1815–1865)
- renal agenesis
- renal tubules
- replication
- reporter gene
- reporter protein
- repressor
- reproduction
- reproductive cloning
- reproductive duct
- Reptilia
- resact
- research cloning
- resegmentation
- resorbed
- resorption
- respecification
- respiratory distress of the newborn
- respiratory distress syndrome
- respiratory system
- responder
- restitution nucleus
- restriction of cell potency
- rete cord
- rete ovarii
- rete testis
- reticular lamina
- reticulocyte
- retina
- retinoblastoma
- retinoblastoma protein (Rb)
- retinoic acid
- retinoic acid receptors (RARs)
- retroviral vector
- retrovirus
- reverse transcriptase
- Rh+, Rh−
- Rh incompatibility
- rhizoid
- rhizoidal cell
- rhizome
- RhoB protein
- rhombencephalon
- rhombocoel
- rhombomeres
- ribonucleic acid (RNA)
- ribosomal RNA (rRNA)
- ribosomes
- ring canals
- RNA interference (RNAi)
- RNA interference pathway
- RNA polymerase
- RNA processing
- RNA splicing
- robustness
- roof plate
- Rosetta stone
- rostrad
- rostral
- rotation
- rotational cleavage
- Roux Wilhelm (1850–1924)
- royal jelly
- RTK (receptor tyrosine kinase) signal transduction pathway
- RU486 (mifepristone)
- rubella virus
- ruffled membranes
- Runnström John (1888–1971)
- S
- S
- sacculus
- sacral neural crest
- sagittal plane
- salamanders
- salivary glands
- sarcoma
- sarcomeres
- satellite cells
- scaphocephaly
- scarification
- scatter factor
- -schisis
- schizocoely
- Schwann Matthias (1810–1882)
- Schwann cells
- sclera
- sclerotium
- sclerotome
- scoliosis
- scrotum
- Scute
- scutellum
- seasonal polyphenism
- sebaceous glands
- sebum
- second messengers
- second polar body
- secondary axis
- secondary embryonic induction
- secondary fields
- secondary follicle
- secondary hypoblast
- secondary larvae
- secondary mesenchyme cells
- secondary neurulation
- secondary sex determination
- secondary tissues
- secondary vesicles
- seed
- seed coat
- seed dormancy
- seed germination
- Seessel's pocket
- segment-polarity genes
- segmental plate
- segmental zones of mesoderm
- segmentation
- segmentation cavity
- segmentation genes
- segmentation nucleus
- segments
- segregate
- selective affinity
- selector gene
- self-determination
- self-incompatibility
- self-pollination
- semaphorin proteins
- semelparous
- semen
- semicircular canals
- semiconservative replication
- semi-dominant mutation
- seminal plasma
- seminal receptacles
- seminal vesicles
- seminiferous
- seminiferous tubules
- seminism
- semperflorous
- senescence
- sense plate
- sensory cranial nerves
- sepal
- septum
- septum primum
- septum secundum
- septum transversum
- serial homologs
- serial transplantation
- serine/threonine kinases
- sero-amniotic cavity
- sero-amniotic raphe
- serosa
- serotinous
- Sertoli cells
- seven cardinal movements of labor
- sex
- sex cells
- sex chromosomes
- sex cords
- sex determination
- sex glands
- sex hormones
- sex-linked genes
- sex-linked inheritance
- sex-linked mutations
- sexual dimorphism
- sexual polyphenism
- sexual reproduction
- shell
- shell membrane
- shoot
- short-day plants
- short-germ development
- Siamese twins
- signal transduction
- signaling center
- silencers
- simplex uterus
- single nucleotide polymorphism
- sinus rhomboidalis
- sinus terminalis
- sinus venosus
- siRNAs
- sister chromatids
- site-specific mutagenesis
- situs inversus
- situs solitus
- skeletal muscle
- skeletogenic mesenchyme
- Skene's glands
- skin
- skull
- slime molds
- Slit protein
- slug
- slug protein
- Smad signal transduction pathway
- small-interfering RNA (siRNA)
- small nuclear RNAs (snRNA)
- small toolkit
- smooth chorion
- smooth muscle
- soft palate
- somatic cell nuclear transfer (SCNT)
- somatic cells
- somatic mesoderm
- somatic mutation
- somatic mutation hypothesis
- somatoplasm
- somatopleure
- somite bulges
- somites
- somitic mesoderm
- somitogenesis
- somitomeres
- sonic hedgehog
- sonogram
- sorocarp
- sorophore
- sorus
- SOX9 gene
- Spallanzani Lazaro (1729–1799)
- speciation
- specific transcription factors
- specification
- specification map
- Spemann Hans (1869–1941)
- Spemann organizer (Spemann–Mangold organizer)
- sperm
- sperm-activating peptides
- sperm bank
- sperm fertility
- sperm survival
- sperm transport
- spermateliosis
- spermatheca
- spermatic cord
- spermatids
- spermatocytes
- spermatogenesis
- spermatogonia
- spermatophore
- Spermatophyta
- spermatophyte
- spermatozoon
- spermicide
- spermiogenesis
- spermist
- Sperry Roger W. (1913–1994)
- spicule
- Spiegelman, Sol
- spina bifida
- spinal canal
- spinal cord
- spinal ganglia
- spinal nerves
- spindle
- spindle fibers
- spinocaudal
- spinous layer
- spiracle
- spiral cleavage
- splanchnic mesoderm
- splanchnopleure
- spliceosome
- splicing isoforms
- spontaneous abortion
- spontaneous generation (abiogenesis)
- sporangiophore
- sporangium
- spore
- spore germination
- spore mother cells
- sporic meiosis
- sporocarp
- sporocytes
- sporophyll
- sporophyte
- sporophyte generation
- Spratt, Nelson T
- SRY gene
- stabilizing selection
- stadia
- stadium
- staging of development
- stalk cells
- stamen
- staminate flowers
- stasis
- statoblasts
- STD
- stem
- stem cell
- stem cell factor (SCF)
- stem cell mediated regeneration
- stem cell niche
- stemness
- stenosis
- stereoblastula
- stereotaxis
- stereotropism
- sterile
- Stevens Nettie M. (1861–1912)
- Steward F. C. (1904–1993)
- stigma
- stomach
- -stomia
- stomodaeal invagination
- stomodaeum
- stomodeum
- stratification
- stratum corneum
- stratum germinativum
- stratum granulosum
- stratum lucidum
- stratum spinosum
- strengths of adhesion
- striated
- strobilus
- stroma
- stromal cells
- structural genes
- structural genomics
- strypsin
- Styela (Cynthia)
- style
- stylopod
- subcaudal pocket
- subcaudal space
- subcephalic pocket
- subcephalic space
- subgerminal space
- suction method
- sulcus limitans
- superficial cleavage
- superior vena cava
- supernumerary breast
- supernumerary chromosome
- supernumerary nipples
- supernumerary sperm
- superovulate
- superovulation
- supine
- supporting cells
- suppressor gene
- surfactant
- surrogate mother
- suspensor
- sutures
- Swammerdam Jan (1637–1680)
- sweat glands
- Sylvian aqueduct
- symbiont
- symbiosis
- symbiotic regulation of development
- symplastic
- synapomorphy
- synapse
- synapsis
- synaptonemal complex
- syncytial
- syncytial blastoderm
- syncytial cable
- syncytial specification
- syncytiotrophoblast
- syntrophoblast
- syncytium
- syndactyly
- syndetome
- syndrome
- synergids
- syngamy
- synteny
- syphilis
- systemic circulation
- systems biology
- T
- T-box factors
- T cells or T lymphocytes
- tadpole
- tail bud
- tail fold
- tapetum
- taste cells
- TATA box
- Tatum Edward Lawrie (1909–1975)
- taxon
- Tbx4
- Tbx5
- tectum
- telencephalon
- teleosts
- teloblasts
- telocoel
- telolecithal eggs
- telomerase
- telomeres
- telophase
- teloplasm
- telson
- temperature
- temperature sensitive mutations
- template
- tepal
- teratocarcinoma
- teratogen
- teratogenesis
- teratology
- teratoma
- terminal cell
- terminal gene group
- terminal sac period
- tertiary follicle
- test cells
- test tube baby
- testes
- testicular dysgenesis syndrome
- testicular feminization
- testicular lobe
- testis-determining factor
- testosterone
- tetrad
- tetraploid number
- tetraploidy
- tetrapod
- TGF-α
- TGF-β
- TGF-β receptor
- thalidomide
- thallophytes
- thallus
- theca externa
- theca folliculi
- theca granulosa
- theca interna
- thecal cells
- thecodonts
- Theory of Epigenesis
- therapeutic cloning
- therapsids
- Theria
- third ventricle
- Thompson D'Arcy W. (1860–1948)
- threshold concentration
- threshold concept
- threshold effect
- thrifty phenotype hypothesis
- thymopharyngeal duct
- thymus gland
- thyroglossal duct
- thyroid gland
- thyroid stimulating hormone (TSH, thyrotropin)
- thyropharyngeal duct
- thyroxine
- tight junctions
- Tinman
- tip cells
- tissue engineering
- tissue organization field (TOC) hypothesis
- toad
- Toll
- tonsils
- tool kit (of developmental biology)
- tooth germ
- tornaria
- torpedo stage embryo
- torsion
- torso
- torus transversus
- totipotent
- toxicogenomics
- toxoplasmosis
- trabeculae carneae
- trace fossils
- trachea
- tracheal system
- tracheophytes
- trans-acting
- trans-activating domain
- transcription
- transcription factor
- transcription factor domains
- transcription initiation complex
- transcriptional regulation
- transcriptome
- transcriptomics
- transdifferentiation
- transfection
- transfer RNA (tRNA)
- transferrin
- transforming growth factor α (TGF-α)
- transforming growth factor β (TGF-β)
- transgene
- transgenerational continuity
- transgenic organism
- translation
- translational regulation
- translocated chemical messengers
- transmission genetics
- transplant
- transplantation
- transplantation experiment
- transposable element
- trans-regulation
- trans-regulatory factor
- transverse plane
- trefoil stage
- trehalose
- Trembley Abraham (1710–1784)
- trichoblasts
- trichomes
- tricuspid valve
- triiodothyronine
- trimester
- triplets
- triploblasts
- triploid number
- triploidy
- trisomy
- trisomy 21
- tritocerebrum
- trizygotic
- Trochaea Theory
- trochophore
- trophectoderm
- trophoblast
- trophocytes
- trophoderm
- truncoventricular region
- truncus arteriosus
- trunk neural crest
- tubal ligation
- tubal pregnancy
- tube cell
- tubercles
- tuberculum posterius
- tubuli recti
- tubulin
- tumor angiogenesis factors
- tumor-suppressor genes
- tunica
- tunica albuginea
- tunicates
- Turing Alan Mathison (1912–1954)
- Turing model
- Turner's syndrome
- twins
- tympanic cavities
- tyrosine kinases
- U
- ultimobranchial bodies
- ultrasonography
- ultrasound
- umbilical arteries
- umbilical cord
- umbilical duct
- umbilical hernia
- umbilical ring
- umbilical vein
- umbilicus
- unicellular
- unipotent stem cells
- unity of type
- unsegmented mesoderm
- up-mutation
- upregulation
- upstream
- urachus
- Urbilateria
- ureotelic organisms
- ureter
- ureteric buds
- urethra
- urinary bladder
- urine
- uriniferous tubules
- urochordates
- Urodela
- urogenital ducts
- urogenital membrane
- urogenital ridge
- urogenital sinus
- urorectal septum
- urostyle
- uteric bud
- uterine cavity
- uterine cycle
- uterine horn
- uterine tube
- uterus
- utriculus
- uvula
- V
- vagal neural crest
- vagina
- valproic acid (VA)
- varicose veins
- vas deferens
- vasa efferentia
- vascular cambium
- vascular endothelial growth factor (VEGF)
- vascular spiders
- vasculogenesis
- vasectomy
- vasovasostomy
- vault
- vector
- vegetal determinant
- vegetal gradient
- vegetal hemisphere
- vegetal plate
- vegetal pole
- vegetalization
- vegetalized
- vegetalizing factors
- vegetative
- vegetative propagation
- veins
- vellus
- venae cavae
- venter
- ventrad
- ventral
- ventral furrow
- ventral mesocardium
- ventricles
- ventricular layer
- ventricular septal defect
- Veratrum californicum
- vernal
- vernalization
- vernation
- vernix caseosa
- vertebrae
- vertebral column
- vertebrate body plan
- vertebrate characteristics
- vertebrates
- vertical division
- vertical transmission
- vesicle
- vestibular glands
- vestibule
- vestigial
- Vg1
- Vg1 mRNA
- Vg1 protein
- viability
- vis essentialis
- viscera
- visceral
- visceral arches
- visceral furrows
- visceral grooves
- visceral mesoderm
- viscerocranium
- vital stains/dyes
- vitalism
- vitamin A (retinol)
- vitamin B12
- vitellarium
- vitelline duct
- vitelline envelope
- vitelline membrane
- vitelline vascular plexus
- vitelline veins
- vitellogenesis
- vitellogenin
- viviparity
- viviparous
- viviparous mutants
- Vogt Walter (1888–1941)
- Volvox
- vulva
- W
- Waddington Conrad Hal (1905–1975)
- Warynski Stanislas (1858–1888)
- Weismann August (1834–1914)
- Weismann barrier
- Went Fritz (1903–1990)
- Wharton's jelly
- white matter
- Whitman C. O. (1842–1910)
- wholist organicism
- Wieschaus Eric F. (1947–)
- Wiesel, Torsten (1924–)
- Wilson Edmund Beecher (1856–1939)
- Wilson H. V. (1863–1939)
- Wilson's principles of teratology
- Winged helix proteins
- wingless
- winter bud
- Wnt
- Wnt receptors
- Wnt signal transduction pathway
- Wolbachia
- Wolff Friedrich Kaspar (1733–1794)
- Wolffian ducts
- womb
- wound epidermis
- X
- X chromosome
- X chromosome inactivation
- X-linked genes
- xenoestrogens
- xenogamy
- Xenopus
- Xist gene
- Xwnt8
- xylem
- Y
- Y chromosome
- yellow crescent
- yolk
- yolk cell
- yolk cells
- yolk duct
- yolk nuclei
- yolk nucleus
- yolk platelet
- yolk plug
- yolk plug stage
- yolk sac
- yolk stalk
- yolk syncytial layer (YSL)
- Z
- zeugopod
- zinc finger
- zinc finger family
- zinc finger proteins
- zona-binding proteins
- zona pellucida
- zona proteins (ZP1, ZP2, ZP3)
- zona radiata
- zona reaction
- zone of differentiation
- zone of elongation
- zone of junction
- zone of overgrowth
- zone of polarizing activity (ZPA)
- zoophilous
- zootype
- ZP
- ZPA
- zygote
- zygote intrafallopian transfer (ZIFT)
- zygotene
- zygotic genes
- zygotic meiosis
- Color Insert