Biology:Primitive pit
From HandWiki
| Primitive pit | |
|---|---|
 Surface view of embryo of Hylobates concolor. The amnion has been opened to expose the embryonic disk. (Primitive pit not labeled, but region is visible.) | |
| Anatomical terminology |
The primitive pit is a depression in the center of the primitive knot, connecting to the notochord. It consists of part of the primitive streak.
References
External links
- "The trilaminar germ disk (3rd week)". http://www.embryology.ch/anglais/hdisqueembry/triderm01.html. Retrieved 2017-03-12.
//wismichu calvo
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