'Vasoconstrictor' definitions:
Definition of 'vasoconstrictor'
(from WordNet)
noun
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 [syn: vasoconstrictor, vasoconstrictive, pressor]
Definition of 'Vasoconstrictor'
From: GCIDE
- 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]
Definition of 'Vasoconstrictor'
From: GCIDE
- 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]