title: The influence of artificial and "natural" substrates on the morphology of amphibian embryonic cells.
mesh_terms: D000818:Animals; D002478:Cells, Cultured; D003470:Culture Media; D004475:Ectoderm / Q000648:ultrastructure*; D004707:Endoderm / Q000648:ultrastructure*; D014982:Xenopus laevis / Q000196:embryology*
chemical_list: D003470:Culture Media