vasoconstrictor
English Thesaurus
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 (noun.artifact)
| hypernym | : | agent, |
| definition | : | an active and efficient cause; capable of producing a certain effect (noun.object) |
| hyponym | : | angiotensin, angiotonin, hypertensin, |
| definition | : | any of several vasoconstrictor substances (trade name Hypertensin) that cause narrowing of blood vessels (noun.artifact) |
| hyponym | : | lypressin, |
| definition | : | an antidiuretic and vasoconstrictor used to treat diabetes insipidus (noun.artifact) |
| hyponym | : | naphazoline, privine, sudafed, |
| definition | : | vasoconstrictor (trade names Privine and Sudafed) used in nasal sprays to treat symptoms of nasal congestion and in eyedrops to treat eye irritation (noun.artifact) |
| hyponym | : | vasopressor, |
| definition | : | any agent that produces vasoconstriction and a rise in blood pressure (usually understood as increased arterial pressure) (noun.artifact) |
| hyponym | : | noradrenaline, norepinephrine, |
| definition | : | a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses (noun.body) |
| hyponym | : | adrenalin, adrenaline, epinephrin, epinephrine, |
| definition | : | a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action (noun.body) |
| hyponym | : | adh, antidiuretic hormone, pitressin, vasopressin, |
| definition | : | 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 (noun.body) |
| hyponym | : | nicotine, |
| definition | : | an alkaloid poison that occurs in tobacco; used in medicine and as an insecticide (noun.substance) |
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