Search Result for "pressor": 
Wordnet 3.0

NOUN (1)

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;
[syn: vasoconstrictor, vasoconstrictive, pressor]


ADJECTIVE (1)

1. increasing (or tending to increase) blood pressure;
- Example: "pressor reflexes"


The Collaborative International Dictionary of English v.0.48:

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]
WordNet (r) 3.0 (2006):

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 [syn: vasoconstrictor, vasoconstrictive, pressor]