A study of the ultrastructure of nucleate and anucleate fragments of unfertilized sea urchin eggs.
D000818:Animals; D002467:Cell Nucleus; D003593:Cytoplasm; D003594:Cytoplasmic Granules; D004447:Echinodermata; D005260:Female; D066298:In Vitro Techniques; D008854:Microscopy, Electron; D008928:Mitochondria; D010063:Ovum / Q000166:cytology*; D010860:Pigments, Biological; D012333:RNA, Messenger
D010860:Pigments, Biological; D012333:RNA, Messenger