title: Relation between extracellular potassium ion concentration and contracture force after abolition of spike discharge in isolated rat portal vein.
mesh_terms: D000818:Animals; D002118:Calcium / Q000378:metabolism / Q000502:physiology; D003080:Cold Temperature; D003864:Depression, Chemical; D007477:Ions; D008564:Membrane Potentials / Q000187:drug effects; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects / Q000502:physiology*; D009210:Myofibrils / Q000187:drug effects / Q000378:metabolism / Q000502:physiology*; D009638:Norepinephrine / Q000378:metabolism; D010643:Phenoxybenzamine / Q000494:pharmacology; D011169:Portal Vein / Q000187:drug effects / Q000502:physiology*; D011188:Potassium / Q000378:metabolism / Q000502:physiology*; D051381:Rats
chemical_list: D007477:Ions; D010643:Phenoxybenzamine; D011188:Potassium; D002118:Calcium; D009638:Norepinephrine