embryonic disc — the early embryo before the formation of somite. It is a flat disc of tissue bounded dorsally by the amniotic cavity and ventrally by the yolk sac. The formation of the primitive streak and archenteron in the embryonic disc determines the… … Medical dictionary
embryonic disc — the early embryo before the formation of somites. It is a flat disc of tissue bounded dorsally by the amniotic cavity and ventrally by the yolk sac. The formation of the primitive streak and archenteron in the embryonic disc determines the… … The new mediacal dictionary
embryonic plate — embryonic plate, = embryonic disc. (Cf. ↑embryonic disc) … Useful english dictionary
embryonic disk — or embryonic disc n 1 a) BLASTODISC b) BLASTODERM 2) the part of the inner cell mass of a blastocyst from which the embryo of a placental mammal develops called also embryonic shield … Medical dictionary
Embryonic disk — Infobox Embryology Name = PAGENAME Latin = GraySubject = 6 GrayPage = 47 Caption = Section through embryonic disk of Vespertilio murinus. Caption2 = Surface view of embryo of a rabbit. (After Kölliker.) arg. Embryonic disk. pr. Primitive streak.… … Wikipedia
embryonic shield — the double layered disc from which the embryo proper develops; see embryonic disc, under disc … Medical dictionary
Диск Эмбриональный (Embryonic Disc) — ранний эмбрион на стадии развития до образования сомитов. Эмбриональный диск представляет собой плоский диск, связанный дорсально амниотической полостью и вентрально с желточным мешком. Образование первичной полоски и архэнтерона в эмбриональном… … Медицинские термины
embryonic area — see under disc … Medical dictionary
bilaminar disc — embryonic d … Medical dictionary
Optic disc pit — An optic disc pit is a congenital excavation (or regional depression) of the optic nerve head resulting from a malformation during development of the eye. Optic pits are important because they are associated with posterior vitreous detachments… … Wikipedia