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


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


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


 * 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


 * Telophase


 * oögonia
 * ova or primary oöcytes


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


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


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


 * female pronucleus


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


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


 * tubal pregnancy
 * abdominal pregnancy
 * ovarian pregnancy


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


 * holoblastic
 * meroblastic


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


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


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


 * Ectoderm


 * Entoderm


 * Mesoderm


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


 * neural folds
 * neural groove
 * neural tube or neural canal
 * neurenteric canal


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


 * medulla spinalis or spinal cord


 * chordal furrow
 * notochord


 * primitive segments
 * myocœl
 * intermediate cell-mass


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


 * umbilical vesicle
 * vitelline duct


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


 * Allantois


 * Allantois
 * body-stalk


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


 * Umbilical cord and Body-stalk


 * Umbilical cord and Body-stalk
 * jelly of Wharton


 * Implantation or Imbedding of the Ovum
 * intervillous space


 * Decidua
 * decidual cells
 * stratum compactum


 * 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


 * Chorion
 * chorion læve


 * Chorion
 * chorion frondosum


 * Placenta
 * Fetal portion


 * Maternal portion
 * basal plate
 * cotyledons


 * Separation of the Placenta
 * after-birth
 * cotyledons


 * Separation of the Placenta
 * velamentous insertion


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


 * 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


 * 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


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


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


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


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


 * septum transversum


 * Embryo, form of, at different stages: