any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugs; maintains or increases blood pressure
造句
用作形容詞(adj.)
Various mechanisms have been reported, including vasoconstrictor substances, pharmacologic stimuli, and neurohumoral effects. 各種機轉曾被報告過，包括促血管收縮物質，藥物的刺激及神經荷爾蒙的影響。
Since the reduced effective volume is due to extreme vasodilation then a vasoconstrictor can be used and the vasoconstrictor for which there is the most experience is Terlipressin. 由于減少的有效血容量起因于血管擴張，血管收縮劑可以用于治療此病，有效的血管收縮劑是特利加壓素。