Assertion: embryo's cell | /r/HasProperty | presumptive mesoderm
Facets:
Source sentences:
text: In the development of vertebrates in particular, the sliding of cells (presumptive mesoderm) into the interior and their placement on the dorsal side of the archenteron (in the archenteric “roof”), in immediate contact with the overlying ectoderm, is of major importance in development and subsequent differentiation.