Effects of calcium and sodium on contracture tension in the smooth muscle of the rat portal vein.
D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D002110:Caffeine / Q000494:pharmacology; D002118:Calcium / Q000378:metabolism* / Q000494:pharmacology; D002952:Citric Acid Cycle; D004594:Electrophysiology / Q000187:drug effects; D066298:In Vitro Techniques; D008564:Membrane Potentials / Q000187:drug effects; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000378:metabolism*; D011169:Portal Vein / Q000378:metabolism*; D011188:Potassium / Q000378:metabolism / Q000494:pharmacology; D051381:Rats; D012964:Sodium / Q000378:metabolism* / Q000494:pharmacology; D013997:Time Factors
D002110:Caffeine; D012964:Sodium; D011188:Potassium; D002118:Calcium