Salahdeen, Hussein M Calcium-dependent mechanisms mediate the vasorelaxant effects of Tridax procumbens (Lin) aqueous leaf extract in rat aortic ring. [electronic resource] - Journal of basic and clinical physiology and pharmacology May 2014 - 161-6 p. digital Publication Type: Journal Article ISSN: 2191-0286 Standard No.: 10.1515/jbcpp-2013-0030 doi Subjects--Topical Terms: AnimalsAorta, Thoracic--drug effectsAsteraceae--chemistryCalcium--metabolismCalcium Chloride--pharmacologyDose-Response Relationship, DrugFemaleIn Vitro TechniquesMaleMedicine, African TraditionalMuscle Contraction--drug effectsMuscle, Smooth, Vascular--drug effectsPlant Extracts--isolation & purificationPlant Leaves--chemistryRats, WistarVasoconstrictor Agents--pharmacologyVasodilation--drug effectsVasodilator Agents--isolation & purification