title: The organization center of the amphibian embryo: its origin, spatial organization, and morphogenetic action.
mesh_terms: D000663:Amphibians / Q000196:embryology*; D000818:Animals; D002454:Cell Differentiation; D002498:Centrifugation; D004475:Ectoderm / Q000254:growth & development; D004625:Embryo, Nonmammalian / Q000187:drug effects; D005314:Embryonic and Fetal Development; D004707:Endoderm / Q000254:growth & development; D005260:Female; D008094:Lithium / Q000494:pharmacology; D008648:Mesoderm / Q000254:growth & development; D009024:Morphogenesis; D009420:Nervous System / Q000187:drug effects / Q000196:embryology; D010063:Ovum / Q000254:growth & development
chemical_list: D008094:Lithium