Anatomy [A] » Embryonic Structures [A16] » Primitive Streak
Description
A linear band of rapidly proliferating cells that begins near the posterior end of an embryo and grows cranially. Primitive streak is formed during GASTRULATION by the convergent migration of primary ectodermal cells (EPIBLAST). The knot at the tip of the streak is called HENSEN NODE. MeSH
Hierarchy View
Hierarchy Tree View
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