Human Embryology: Notes & Illustrations for Revision Purposes |
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Page 69
... vesicle and the optic stalk are defined and both are hollow and communicate with the diencephalon . Soon mesoderm intervenes between the optic outgrowth and the surface ectoderm . At this time the vesicle becomes invaginated and forms a ...
... vesicle and the optic stalk are defined and both are hollow and communicate with the diencephalon . Soon mesoderm intervenes between the optic outgrowth and the surface ectoderm . At this time the vesicle becomes invaginated and forms a ...
Page 70
... vesicle produces the optic cup , a continuation of the infolding affects the inferior aspect of the cup and also the ... vesicle is produced still attached to the surface ectoderm . The lens vesicle next separates from the ectoderm and ...
... vesicle produces the optic cup , a continuation of the infolding affects the inferior aspect of the cup and also the ... vesicle is produced still attached to the surface ectoderm . The lens vesicle next separates from the ectoderm and ...
Page 73
... vesicle which is soon separated from the surface ectoderm by paraxial mesoderm . The otocyst is formed very early ( 2 mm . 3 weeks ) , and soon a ganglion mass , the acoustico- facial ganlion , becomes associated with it . The otic vesicle ...
... vesicle which is soon separated from the surface ectoderm by paraxial mesoderm . The otocyst is formed very early ( 2 mm . 3 weeks ) , and soon a ganglion mass , the acoustico- facial ganlion , becomes associated with it . The otic vesicle ...
Common terms and phrases
ANOMALIES aortic arches arise arteriosus artery auricle becomes body wall bulges cardinal veins cartilage caudal end cell mass cephalic chorion choroid cloacal membrane coelom commissure cord corpus cortex cranial degenerate derived diencephalon dorsal aortae ductus ectoderm elongates embryo endoderm enlarges extends fibres foetal folds foramen fore-brain fore-gut formation fornix fuse genital gives rise glands groove grow head-fold hind-gut intra-embryonic lamina terminalis lateral layer left side ligament liver mantle zone maxillary processes medial mesentery mesogaster mesonephric duct metanephric mid-gut nasal nerve neural tube neurectoderm notochord oesophagus optic cup outgrowth ovary ovum paired paramesonephric duct paraxial mesoderm pass persists pharyngeal placenta primitive heart primitive streak prochordal plate pyriform region ridge right and left roof septum transversum sinus venosus sixth week somites stage stalk stomach stomodaeum tail-fold testis thickening tissue tubules umbilical vein ureteric bud urogenital sinus uterus vena cava ventricle vesicle villi vitelline veins yolk-sac