Differentiation potencies of the young chick blastoderm as revealed by different manipulations. I. Folding experiments and position effects of the culture medium.

Abstract

The conclusions are: (a) Intact, transversely folded, primitive streak stage blastoderms put on the culture medium with their posterior half downwards are relatively stable and the embryo forms from their posterior side. (b) Younger blastoderms are less stable and reveal the inherent asymmetry of the blastoderm by the formation of left-side embryos. (c… (More)

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