title: Fast polyspermy block and activation potential. Correlated changes during oocyte maturation of a starfish.
mesh_terms: D000818:Animals; D002462:Cell Membrane / Q000502:physiology / Q000648:ultrastructure; D005260:Female; D005306:Fertilization; D008297:Male; D008564:Membrane Potentials; D009865:Oocytes / Q000502:physiology*; D010063:Ovum / Q000502:physiology*; D013084:Sperm-Ovum Interactions; D013094:Spermatozoa / Q000502:physiology*; D013215:Starfish