title: Cortical reaction in inseminated eggs of the horseshoe crab, Limulus polyphemus L.
mesh_terms: D000818:Animals; D002462:Cell Membrane / Q000648:ultrastructure; D005260:Female; D005306:Fertilization; D006737:Horseshoe Crabs / Q000502:physiology*; D008297:Male; D008855:Microscopy, Electron, Scanning; D008871:Microvilli / Q000648:ultrastructure; D010063:Ovum / Q000502:physiology* / Q000648:ultrastructure; D013997:Time Factors