title: A scanning electron microscope study of early sea urchin reaggregation.
mesh_terms: D000818:Animals; D002448:Cell Adhesion; D002449:Cell Aggregation; D002462:Cell Membrane / Q000648:ultrastructure; D002465:Cell Movement; D004625:Embryo, Nonmammalian / Q000166:cytology* / Q000648:ultrastructure; D008855:Microscopy, Electron, Scanning; D011554:Pseudopodia / Q000648:ultrastructure; D012617:Sea Urchins