title: The fine structure of cortical granules in eggs and gastrulae of Mytilus edulis.
mesh_terms: D000818:Animals; D003594:Cytoplasmic Granules; D004622:Embryo, Mammalian; D004625:Embryo, Nonmammalian; D005260:Female; D066298:In Vitro Techniques; D008854:Microscopy, Electron; D010063:Ovum / Q000166:cytology*