Dictionary » H » Hypoblast



(Science: biology) The inner or lower layer of the blastoderm; called also endoderm, entoderm, and sometimes hypoderm.

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embryonic development in a chick

Can anyone please help me out..I just cant understand this gastrulation stage ...my book's too confusing..can't understand how the hypoblast forms the yolk sack? and what exactly are area pelucidia and area opaca? cant understand primitive streak as well as hensen node....arghh...and google ...

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by cracked_doc
Mon Feb 04, 2008 7:40 pm
Forum: Zoology Discussion
Topic: embryonic development in a chick
Replies: 3
Views: 2733

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