Antispasmodic mechanism of noradrenaline in the isolated rat rectum, particularly in relation to Ca.
D000818:Animals; D002118:Calcium / Q000378:metabolism*; D066298:In Vitro Techniques; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects*; D009126:Muscle Relaxation / Q000187:drug effects*; D009130:Muscle, Smooth / Q000502:physiology*; D009638:Norepinephrine / Q000494:pharmacology*; D051381:Rats; D012007:Rectum
D002118:Calcium; D009638:Norepinephrine