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All in Vivo Cells > Cell Card
Primitive Streak
Anterior Primitive Streak

Primitive Streak Cells (APS)


Descendants of cells from the anterior streak of 4-7 somite stage mouse embryos were predominantly found in the paraxial mesoderm. Few descendants of anterior primitive streak cells were found in the endoderm and none were found in the lateral or ventral mesoderm, at the level of the primitive streak. This suggests that progenitor cells of the paraxial mesoderm are located in the anterior two-thirds or more of the primitive streak, while progenitor cells of the lateral mesoderm are found in the posterior third or less of the streak.
E6.5 - E(N/A) (CS6.5 - CS8)
Primitive Streak Cells
Multiple Ancestors Single Ancestor No Descendants Develops from Part of Parent