- * * *Exciting to vasomotor activity; producing increased blood pressure; denoting afferent nerve fibers that, when stimulated, excite vasoconstrictors, which increase peripheral resistance. SYN: hypertensor. [L. premo, pp. pressus, to press]
* * *pres·sor 'pres-.ȯr, -ər adj raising or tending to raise blood pressure <\pressor substances> also involving or producing an effect of vasoconstriction <\pressor reflexes> <a \pressor action>
* * *n.
* * *pres·sor (presґor) tending to increase blood pressure; said of nerves and chemical substances. Called also hypertensor.
Medical dictionary. 2011.
Look at other dictionaries:
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… … The Collaborative International Dictionary of English
pressor — [pres′ər] adj. [ PRESS(URE) + (MOT)OR] designating a nerve which, when stimulated, causes a rise in blood pressure n. a substance capable of raising blood pressure … English World dictionary
pressor — /pres euhr/, adj. Physiol. causing an increase in blood pressure; causing vasoconstriction. [1885 90; attributive use of LL pressor presser, equiv. to L *pret , var. s. of premere to PRESS1 + tor TOR, with tt > ss ] * * * … Universalium
pressor — pres•sor [[t]ˈprɛs ər[/t]] adj. 1) phl causing an increase in blood pressure; causing vasoconstriction 2) phl a substance or nerve that causes an increase in blood pressure; vasoconstrictor • Etymology: 1885–90; < LL pressor presser = L *pret … From formal English to slang
pressor — I 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,… … Useful english dictionary
pressor — adjective Etymology: Late Latin, one that presses, from Latin premere to press more at press Date: circa 1890 raising or tending to raise blood pressure; also involving vasoconstriction … New Collegiate Dictionary
pressor — adj. causing a rise in blood pressure … English contemporary dictionary
pressor — adjective Physiology producing an increase in blood pressure by stimulating constriction of the blood vessels … English new terms dictionary
pressor — pres·sor … English syllables
pressor — n. an agent that raises blood pressure. See: vasoconstrictor … The new mediacal dictionary