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pressor a. 有使血压增高[作用] 的 有使血压增高[作用] 的 pressor adj 1: increasing (or tending to increase) blood pressure; "pressor reflexes" n 1: 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 [synonym: {vasoconstrictor}, {vasoconstrictive}, {pressor}] Pressor \Press"or\, a. (Physiol.)
Causing, or giving rise to, pressure or to an increase of pressure; as, pressor nerve fibers, stimulation of which excites the vasomotor center, thus causing a stronger contraction of the arteries and consequently an increase of the arterial blood pressure; -- opposed to {depressor}. --Landois & Stirling. [1913 Webster]
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