title: Egg water from the amphibian Bufo arenarum modulates the ability of homologous sperm to undergo the acrosome reaction in the presence of the vitelline envelope.
mesh_terms: D020101:Acrosome Reaction / Q000502:physiology*; D000818:Animals; D002022:Bufo arenarum / Q000502:physiology*; D002118:Calcium / Q000378:metabolism; D015220:Calcium Channels / Q000187:drug effects / Q000378:metabolism / Q000502:physiology; D020013:Calcium Signaling / Q000187:drug effects; D005260:Female; D008297:Male; D008954:Models, Biological; D013084:Sperm-Ovum Interactions / Q000502:physiology*; D013094:Spermatozoa / Q000187:drug effects / Q000378:metabolism; D019284:Thapsigargin / Q000494:pharmacology; D014817:Vitelline Membrane / Q000187:drug effects / Q000378:metabolism / Q000502:physiology*; D015044:Zona Pellucida / Q000502:physiology*
chemical_list: D015220:Calcium Channels; D019284:Thapsigargin; D002118:Calcium