title: Cell recognition processes in the differentiation of embryonic sea urchins.
mesh_terms: D000818:Animals; D000954:Antigens, Surface / Q000032:analysis; D001755:Blastocyst / Q000166:cytology / Q000502:physiology; D001757:Blastomeres / Q000166:cytology / Q000502:physiology; D002448:Cell Adhesion; D015815:Cell Adhesion Molecules; D002450:Cell Communication; D002454:Cell Differentiation; D002462:Cell Membrane / Q000502:physiology; D005775:Gastrula / Q000166:cytology / Q000502:physiology; D012617:Sea Urchins / Q000196:embryology*
chemical_list: D000954:Antigens, Surface; D015815:Cell Adhesion Molecules