释义 |
protoveratrine A and B pro·to·ver·a·trine A and B (prō'tō-ver'ă-trēn), A mixture of two alkaloids isolated from Veratrum album; they exert their main effect on the cardiovascular system through the carotid sinus receptors and vagal sensory endings in the heart; they cause vasodilation and are thought to bring about a redistribution to all vascular beds and thus to induce a fall in blood pressure; used in certain forms of hypertension; the maleates have the same actions. |