title: Morphogenetic substances from sea urchin eggs. Isolation of animalizing substances from developing eggs of Paracentrotus lividus.
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D004625:Embryo, Nonmammalian; D005260:Female; D009024:Morphogenesis; D010063:Ovum / Q000032:analysis*; D012617:Sea Urchins / Q000032:analysis*