the animal cell (Gray's s2)

Gray's page #35

• Embryology
• ontogeny
• phylogeny
• ovum
• spermatozoön
• segmentation
• differentiation
• somatic cells
• germinal cells
• Animal cell
• fertilized ovum
• cytoplasm
• nucleus
• nucleolus
• Cytoplasm (protoplasm)

Gray's page #36

• mitochondria
• paraplasm
• spongioplasm
• hyaloplasm
• cell membrane
• Nucleus
• nuclear membrane
• nuclear substance (nuclear matrix)
• karyoplasm
• karyomitome
• linin
• chromatin (basichromatin)

Gray's page #37

• nucleoli
• pseudo-nucleoli
• true nucleoli
• centrosome
• centriole
• centrosphere
• attraction sphere
• direct division
• Indirect division or karyokinesis (karyomitosis)
• resting stage
• Prophase
• chromosomes
• achromatic spindle
• mother star or monaster
• Metaphase
• daughter chromosomes
• Anaphase
• diaster
• Skein, or spirem

Gray's page #38

• Telophase

the ovum (Gray's s3)

Gray's page #38

• oögonia
• ova or primary oöcytes

Gray's page #39

• yolk or oöplasm
• germinal vesicle
• germinal spot
• zona striata or zona pellucida
• corona radiata
• Yolk
• cytoplasm
• formative yolk
• nutritive yolk or deutoplasm

Gray's page #40

• centrosome
• centriole
• Germinal vesicle
• zona striata or zona pellucida
• corona radiata
• polar bodies or polocytes
• mature ovum

Gray's page #41

• secondary oöcyte
• first polar body
• mature ovum
• second polar body

Gray's page #42

• female pronucleus

the spermatozoön (Gray's s4)

Gray's page #42

• spermatozoa or male germ cells
• head
• head-cap
• perforator

Gray's page #43

• neck
• anterior centriole
• connecting piece or body
• terminal disk
• axial filament
• spiral thread
• mitochondria sheath
• tail
• end-piece
• spermatogonia
• primary spermatocytes
• secondary spermatocytes
• spermatids

fertilization of the ovum (Gray's s5)

Gray's page #44

• tubal pregnancy
• abdominal pregnancy
• ovarian pregnancy

Gray's page #45

• cone of attraction
• vitelline membrane
• male pronucleus
• segmentation nucleus

segmentation of the fertilized ovum (Gray's s6)

Gray's page #45

• holoblastic
• meroblastic

Gray's page #46

• morula
• trophoblast
• inner cell-mass
• blastodermic vesicle
• embryonic pole

Gray's page #47

• syncytium or syncytiotrophoblast
• cytotrophoblast or layer of Langhans
• amniotic cavity
• embryonic disk
• embryonic ectoderm

Primitive streak

Gray's page #47

• primitive streak
• Hensen's knot
• primitive groove
• blastophore
• buccopharyngeal membrane
• pericardial area
• proamniotic area
• proamnion
• cloacal membrane

Ectoderm

Gray's page #48

• Ectoderm

Entoderm

Gray's page #49

• Entoderm

Mesoderm

Gray's page #49

• Mesoderm

Gray's page #50

• paraxial mesoderm
• lateral mesoderm
• intermediate cell-mass
• lateral mesoderm
  • somatic layer
    • somatopleure
  • splanchnic layer
    • splanchnopleure
• celom

the neural groove and tube (Gray's s7)

Gray's page #50

• neural folds
• neural groove
• neural tube or neural canal
• neurenteric canal

Gray's page #51

• sinus rhomboidalis
• neural crest or ganglion ridge
• fore-brain (prosencephalon)
• mid-brain (mesencephalon)
• hind-brain (rhombencephalon)

Gray's page #52

• medulla spinalis or spinal cord

the notochord (Gray's s8)

Gray's page #52

• chordal furrow
• notochord

the primitive segments (Gray's s9)

Gray's page #52

• primitive segments
• myocœl
• intermediate cell-mass

separation of the embryo (Gray's s10)

Gray's page #53

• Cephalic fold of embryo
• Caudal fold of embryo
• fore-gut
• body-stalk
• hind-gut

Gray's page #54

• umbilical vesicle
• vitelline duct

the yolk-sac (Gray's s11)

Gray's page #54

• vitelline fluid
• vitelline circulation
• vitelline duct
• Meckel's diverticulum

development of the fetal membranes and placenta (Gray's s12)

Gray's page #54

• Allantois

Gray's page #56

• Allantois
  • body-stalk

• Amnion
  • amniotic ectoderm
  • amniotic fold
  • amniotic cavity
  • amnion
  • false amnion or serosa

Gray's page #57

• Umbilical cord and Body-stalk

Gray's page #58

• Umbilical cord and Body-stalk
  • jelly of Wharton

Gray's page #59

• Implantation or Imbedding of the Ovum
  • intervillous space

• Decidua
  • decidual cells
  • stratum compactum

Gray's page #60

• Decidua
  • stratum spongiosum
  • unaltered or boundary layer
  • decidua capsularis
  • decidua basalis or decidua placentalis
  • decidua vera or decidua parietalis

• Chorion
  • cytotrophoblast or layer of Langhans
  • syncytiotrophoblast
  • chorionic villi

Gray's page #61

• Chorion
  • chorion læve

Gray's page #62

• Chorion
  • chorion frondosum

• Placenta
• Fetal portion

Gray's page #63

• Maternal portion
  • basal plate
  • cotyledons

Gray's page #64

• Separation of the Placenta
  • after-birth
  • cotyledons

Gray's page #65

• Separation of the Placenta
  • velamentous insertion

the branchial region (Gray's s13)

Gray's page #65

• Branchial arches or Visceral arches and Pharyngeal pouches
  • branchial or outer pharyngeal grooves
  • closing membranes

Gray's page #66

• Branchial arches or Visceral arches and Pharyngeal pouches
  • gill-clefts
  • branchial arches or visceral arches
• mandibular arch (first branchial arch)
  • Meckel's cartilages
  • maxillary process
  • second branchial arch or hyoid arch

Gray's page #67

• mandibular arch (first branchial arch)
  • third branchial arch
  • fourth branchial arch
  • fifth branchial arch
  • sixth branchial arch
  • sinus cervicalis
• sinus tonsillaris
• Nose and Face
  • olfactory areas
  • fronto-nasal process

Gray's page #68

• Nose and Face
  • olfactory pits
  • medial nasal process
  • lateral nasal process
  • globular processes of His
  • nasal laminae

Gray's page #69

• Nose and Face
  • columella
• maxillary process
  • naso-optic furrow

Gray's page #70

• maxillary process
  • primitive palate
  • bucco-nasal membrane
  • primitive choanae
  • palatine processes
  • permanent choanae

Gray's page #71

• maxillary process
  • vomero-nasal organs of Jacobson
• Limbs

development of the body cavities (Gray's s14)

Gray's page #72

• septum transversum

the form of the embryo at different stages of its growth (Gray's s15)

Gray's page #74

• Embryo, form of, at different stages:

See also

• List of images and subjects in Gray's Anatomy
• List of images in Gray's Anatomy: I. Embryology
• Gray's Anatomy