title: Light and electron microscopic study of unfertilized egg of Ascidia malaca (Tunicata).
mesh_terms: D000818:Animals; D002462:Cell Membrane; D005260:Female; D005306:Fertilization; D002479:Inclusion Bodies; D008854:Microscopy, Electron; D008928:Mitochondria; D010063:Ovum / Q000166:cytology*; D014561:Urochordata / Q000166:cytology*