vasoactive

vasoactive
Influencing the tone and caliber of blood vessel s.

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va·so·ac·tive .vā-zō-'ak-tiv adj affecting the blood vessels esp. in respect to the degree of their relaxation or contraction
va·so·ac·tiv·i·ty -ak-'tiv-ət-ē n, pl -ties

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adj.
affecting the diameter of blood vessels, especially arteries. Examples of vasoactive agents are emotion, pressure, carbon dioxide, and temperature. Some exert their effect directly, others via the vasomotor centre in the brain.

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vaso·ac·tive (va″zo-) (vas″o-akґtiv) exerting an effect upon the caliber of blood vessels.

Medical dictionary. 2011.

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