Cytological aspects of fertilization in the lamellibranch, Mytilus edulis. I. Polar body formation and development of the female pronucleus.
D000818:Animals; D002467:Cell Nucleus; D005260:Female; D005306:Fertilization; D008540:Meiosis; D008854:Microscopy, Electron; D008974:Mollusca / Q000166:cytology*; D009940:Organoids; D010063:Ovum / Q000166:cytology*