title: Some aspects of cleavage in Pomatoceros triqueter eggs.
mesh_terms: D000818:Animals; D000845:Annelida / Q000196:embryology*; D002455:Cell Division; D002462:Cell Membrane; D002465:Cell Movement; D005260:Female; D008854:Microscopy, Electron; D010063:Ovum / Q000166:cytology*; D013499:Surface Properties; D013997:Time Factors