Primitive groove
From Infogalactic: the planetary knowledge core
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Primitive groove | |
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Surface view of embryo of Hylobates concolor. The amnion has been opened to expose the embryonic disk.
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Details | |
Latin | sulcus primitivus |
Carnegie stage | 9 |
Identifiers | |
Dorlands /Elsevier |
g_12/12402766 |
TA | Lua error in Module:Wikidata at line 744: attempt to index field 'wikibase' (a nil value). |
TH | {{#property:P1694}} |
TE | {{#property:P1693}} |
FMA | {{#property:P1402}} |
Anatomical terminology
[[[d:Lua error in Module:Wikidata at line 863: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]]
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A shallow groove, the primitive groove, appears on the surface of the primitive streak, and the anterior end of this groove communicates by means of an aperture, the blastophore, with the yolk-sac.
References
This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)
External links
- Swiss embryology (from UL, UB, and UF) hdisqueembry/triderm02
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