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EMBRYONIC DEVELOPMENT & STEM CELL COMPENDIUM
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LifeMap Discovery

Watch the introductory video to learn more about our database of embryonic development for stem cell research and regenerative medicine

All in Vivo Cells > Cell Card
Primitive Streak
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Anterior Primitive Streak
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Primitive Streak Cells (APS)


PrS.APS.PrSCs

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