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Primitive node

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Humans are Deuterostomes. Right?..

... out, there is no archenteron in human embryo at all. In fact, there are primitive node/streak/groove. Besides, that primitive groove is somehow connected to the yolk-sac by ...

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by Siroggak
Tue Aug 12, 2014 4:46 pm
Forum: Human Biology
Topic: Humans are Deuterostomes. Right?..
Replies: 2
Views: 2157

embryonic development in a chick

... and what exactly are area pelucidia and area opaca? cant understand primitive streak as well as hensen node....arghh...and google is not helping! any recommendations for a book or website ? thanks ...

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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: 3077

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