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本文通过对家兔血压、离体主动脉条收缩抑制率及肠系膜微血管口径等三项指标的测定,研究了长白蝮粗毒(VACB)对家兔的扩血管作用。实验结果表明VACB①在iv 15~25ug/kg时可使家兔血压明显下降。②可抑制由去甲肾上腺素引起的家兔离体主动脉条的收缩。③可使家兔肠系膜微血管扩张。
In this paper, we measured the blood pressure of rabbits, the inhibition rate of isolated aortic strips, and the mesenteric microvascular caliber. We studied the vasodilator effect of VACB on rabbits. The experimental results show that VACB1 can significantly reduce blood pressure in rabbits at iv 15-25 ug/kg. 2 can inhibit the contraction of isolated aortic strips caused by norepinephrine in rabbits. 3 can make rabbit mesenteric capillaries dilate.