title: Microfilaments in the polar lobe constriction of fertilized eggs of Ilyanassa obsoleta.
mesh_terms: D000818:Animals; D002455:Cell Division; D005260:Female; D002479:Inclusion Bodies; D008854:Microscopy, Electron; D010063:Ovum / Q000166:cytology*; D012908:Snails / Q000196:embryology*