title: [The mode of low responsiveness of isolated canine internal carotid artery to exogenous norepinephrine].
mesh_terms: D000818:Animals; D002118:Calcium / Q000378:metabolism; D002342:Carotid Artery, External / Q000187:drug effects; D002343:Carotid Artery, Internal / Q000187:drug effects*; D004285:Dogs; D004305:Dose-Response Relationship, Drug; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects*; D009131:Muscle, Smooth, Vascular / Q000187:drug effects*; D009638:Norepinephrine / Q000378:metabolism / Q000494:pharmacology*; D013564:Sympathetic Nervous System / Q000378:metabolism
chemical_list: D002118:Calcium; D009638:Norepinephrine