Definition of vasoactive
: affecting the blood vessels especially in respect to the degree of their relaxation or contraction
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These include parvalbumin (PV), somatostatin (SOM), and vasoactive intestinal polypeptide (VIP)-expressing interneurons.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vasoactive.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of vasoactive
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First Known Use: circa 1921
in the meaning defined above
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