title: Separation of ectoderm and endoderm from sea urchin pluteus larvae and demonstration of germ layer-specific antigens.
mesh_terms: D000469:Alkaline Phosphatase / Q000378:metabolism; D000818:Animals; D000954:Antigens, Surface; D002454:Cell Differentiation; D002469:Cell Separation; D004475:Ectoderm / Q000166:cytology / Q000276:immunology*; D004625:Embryo, Nonmammalian / Q000201:enzymology; D004707:Endoderm / Q000166:cytology / Q000276:immunology*; D005455:Fluorescent Antibody Technique; D012617:Sea Urchins / Q000196:embryology
chemical_list: D000954:Antigens, Surface; D000469:Alkaline Phosphatase