Dictionary definitions
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vasoconstrictor
From The Collaborative International Dictionary of English v.0.48:
Vasoconstrictor \Vas`o*con*strict"or\, a. (Physiol.) Causing constriction of the blood vessels; as, the vasoconstrictor nerves, stimulation of which causes constriction of the blood vessels to which they go. These nerves are also called vasohypertonic. [1913 Webster] .
From The Collaborative International Dictionary of English v.0.48:
Vasoconstrictor \Vas`o*con*strict"or\, n. (Medicine, Physiology) A substance which causes constriction of the blood vessels. Such substances are used in medicine to raise abnormally low blood pressure. [PJC]
