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Cali Fornia Cali Fornia
wrote...
Posts: 5080
7 years ago
The head and tail regions, ventral and dorsal regions, right and left sides are established by:
A) the allantois.
B) ingression.
C) the primitive streak.
D) the chorionic villi.
Textbook 
Human Anatomy & Physiology

Human Anatomy & Physiology


Edition: 1st
Author:
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wrote...
7 years ago
C
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