Primitive groove
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163303673
2007-10-09T11:26:45Z
SmackBot
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Date/fix the maintenance tags or gen fixes
{{Confusing|date=December 2006}}
{{Infobox Embryology |
Name = Primitive groove |
Latin = |
GraySubject = 6 |
GrayPage = 47 |
Image = Gray14.png |
Caption = Surface view of embryo of [[Hylobates concolor]]. The [[amnion]] has been opened to expose the [[embryonic disk]]. |
Image2 = |
Caption2 = |
System = |
CarnegieStage = 9 |
Precursor = |
GivesRiseTo = |
MeshName = |
MeshNumber = |
DorlandsPre = g_12 |
DorlandsSuf = 12402766 |
}}
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]].
==External links==
* {{EmbryologySwiss|hdisqueembry/triderm02}}
{{Gray's}}
{{Embryology}}
[[Category:Embryology]]
{{developmental-biology-stub}}