title: Vesicle involvement in the egg cortical reaction of the horseshoe crab, Limulus polyphemus L.
mesh_terms: D000818:Animals; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D005260:Female; D005306:Fertilization; D006737:Horseshoe Crabs / Q000502:physiology*; D008854:Microscopy, Electron; D010063:Ovum / Q000502:physiology* / Q000648:ultrastructure; D013997:Time Factors