Influence of DL or nimodipine on the half-effective concentration of noradrenaline bitartrate or KCl that contributed to the vascular ring constriction of rabbit. 二氢石蒜碱或尼莫地平对重酒石酸去甲肾上腺素或KCl所致家兔血管环收缩的半数有效浓度值。
OBJECTIVE: To investigate the selective effect of DL on basilar artery, thoracic aorta and ventricular papillary muscle of rabbit by means of observing the vasoconstriction induced by noradrenaline bitartrate and KCl. 目的:应用重酒石酸去甲肾上腺素和KCl引起血管收缩反应,观察二氢石蒜碱对家兔脑基底动脉、胸主动脉及心室乳头肌的选择性作用。