vasoconstrictor

Noun
  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 (synset 104529716)
    is a type of: agent - an active and efficient cause; capable of producing a certain effect
    subtypes:
    • adrenergic, adrenergic drug - drug that has the effects of epinephrine
    • angiotensin, angiotonin, hypertensin - any of several vasoconstrictor substances (trade name Hypertensin) that cause narrowing of blood vessels
    • lypressin - an antidiuretic and vasoconstrictor used to treat diabetes insipidus
    • naphazoline, privine, sudafed - vasoconstrictor (trade names Privine and Sudafed) used in nasal sprays to treat symptoms of nasal congestion and in eyedrops to treat eye irritation
    • vasopressor - any agent that produces vasoconstriction and a rise in blood pressure (usually understood as increased arterial pressure)
    • cold, coldness, frigidity, frigidness, low temperature - the absence of heat
    • noradrenaline, norepinephrine - a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses
    • adrenalin, adrenaline, epinephrin, epinephrine - a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action
    • adh, antidiuretic hormone, pitressin, vasopressin - hormone secreted by the posterior pituitary gland (trade name Pitressin) and also by nerve endings in the hypothalamus; affects blood pressure by stimulating capillary muscles and reduces urine flow by affecting reabsorption of water by kidney tubules
    • nicotine - an alkaloid poison that occurs in tobacco; used in medicine and as an insecticide
    same as: pressor, vasoconstrictive

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