title: An analysis of the postgastrula differentiation of the hypomere. I. The influence of tissue mass and of endoderm in Ambystoma punctatum.
mesh_terms: D000557:Ambystoma; D000818:Animals; D002454:Cell Differentiation; D004626:Embryology; D004707:Endoderm; D007857:Leadership; D014562:Caudata / Q000196:embryology*
keywords: EMBRYOLOGY; SALAMANDERS/embryology