primitive groove
The shallow valley that extends along the length of the primitive streak[MP] [ http://en.wikipedia.org/wiki/Primitive_groove ]
Term info
primitive groove
pheno_slim, early_development
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[Wikipedia:Primitive_groove].
uberon
UBERON:0004056
Term relations
- embryonic structure
- part of some primitive streak
- contributes to morphology of some primitive streak