vasoconstrictor

基本解释

ACE inhibitors work by inhibiting the conversion of angiotensin I to the potent vasoconstrictor, angiotensin II, thereby improving blood flow and blood pressure.
ACE抑制剂的工作，通过抑制血管紧张素I的转化可以强化血管，血管紧张素Ⅱ可改善血流和血压。
Conclusion CRA seems to be relate to the renal and splenic hemodynamics, also relate to the histology, the Doppler parameters of portal hypertension and the activity of vasoconstrictor systems.
结论视网膜中动脉可能与肾脏、脾脏的血流动力学变化有关，同样与组织学、门脉高压多普勒参数和血管收缩系统的活性有关。
The results show; (1) The increased hepatic vasoconstrictor reactivity and the adhesive function of platelets in viral infection are the basic mechanism of the hepatic microcirculatory disturbance.
结果提示：（1）在病毒感染中肝血管收缩反应性上升及血小板粘附功能增强是肝微循环障碍发生的基础。

One of the human volunteers was examined after inhaling 0.0035 ounces (100 milligrams) of cocaine, "a drug routinely used in ear, nose, and throat medicine as a local anaesthetic and vasoconstrictor, " the researchers write in the British Medical Journal this week.
MSN: Scientists unravel the secret behind Rudolph's red nose

a drug, agent, or nerve that causes narrowing (vasoconstriction) of the walls of blood vessels
causing vasoconstriction