Selective development of tolerance without dependence in multiple opiate receptors of mouse vas deferens.
D000818:Animals; D004305:Dose-Response Relationship, Drug; D004361:Drug Tolerance; D004558:Electric Stimulation; D004723:Endorphins / Q000494:pharmacology*; D016308:Enkephalin, Leucine-2-Alanine; D004745:Enkephalins / Q000494:pharmacology*; D005283:Fentanyl / Q000031:analogs & derivatives / Q000494:pharmacology; D006801:Humans; D008297:Male; D051379:Mice; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000502:physiology; D011957:Receptors, Opioid / Q000187:drug effects*; D019966:Substance-Related Disorders / Q000503:physiopathology; D017409:Sufentanil; D014649:Vas Deferens / Q000187:drug effects*
D004723:Endorphins; D004745:Enkephalins; D011957:Receptors, Opioid; D016308:Enkephalin, Leucine-2-Alanine; D017409:Sufentanil; D005283:Fentanyl