From Wikipedia, the free encyclopedia
| 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.) |
The primitive pit is a depression in the center of the primitive node, connecting to the notochord. It consists of part of the primitive streak.
[edit] External links
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.
