Different modes of opiate interaction in rat vas deferens.
D000818:Animals; D003496:Cyclazocine / Q000031:analogs & derivatives / Q000494:pharmacology; D005405:D-Ala(2),MePhe(4),Met(0)-ol-enkephalin; D004723:Endorphins / Q000494:pharmacology / Q000502:physiology*; D004743:Enkephalin, Leucine / Q000031:analogs & derivatives / Q000494:pharmacology; D016308:Enkephalin, Leucine-2-Alanine; D004744:Enkephalin, Methionine / Q000031:analogs & derivatives / Q000494:pharmacology; D016314:Ethylketocyclazocine; D005048:Etorphine / Q000494:pharmacology; D008297:Male; D009020:Morphine / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects; D009270:Naloxone / Q000494:pharmacology; D051381:Rats; D011919:Rats, Inbred Strains; D014649:Vas Deferens / Q000187:drug effects*
D004723:Endorphins; D009270:Naloxone; D005048:Etorphine; D004744:Enkephalin, Methionine; D016314:Ethylketocyclazocine; D004743:Enkephalin, Leucine; D016308:Enkephalin, Leucine-2-Alanine; D005405:D-Ala(2),MePhe(4),Met(0)-ol-enkephalin; D009020:Morphine; D003496:Cyclazocine