Library / English Dictionary

VASOCONSTRICTOR

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

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

Synonyms:

pressor; vasoconstrictive; vasoconstrictor

Classified under:

Nouns denoting man-made objects

Hypernyms ("vasoconstrictor" is a kind of...):

agent (an active and efficient cause; capable of producing a certain effect)

Hyponyms (each of the following is a kind of "vasoconstrictor"):

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)

Credits

 Context examples: 

This prevents the actions of the potent vasoconstrictor angiotensin II and leads to vasodilation.

(Moexipril, NCI Thesaurus)

A naturally occurring ergot alkaloid with vasoconstrictor and analgesic property.

(Ergotamine, NCI Thesaurus)

Epinephrine, a potent vasoconstrictor, is added to the gel to enhance penetration of fluorouracil into tumor tissue and reduce dispersion to surrounding tissues, thus enhancing the local concentration of fluorouracil.

(Fluorouracil-E Therapeutic Implant, NCI Thesaurus)

This agent can also act as a vasoconstrictor, increasing blood pressure and systemic vascular resistance.

(Argipressin, NCI Thesaurus)

A benzopyran lacking the indole ring of the triptans with vasoconstrictor activity.

(Alniditan, NCI Thesaurus)

The malate salt of almotriptan, a sulfonamide triptan with vasoconstrictor activity.

(Almotriptan Malate, NCI Thesaurus)

Vasopressins are used pharmacologically as renal agents, vasoconstrictor agents, and hemostatics.

(Argipressin, NLM, Medical Subject Headings)

Articaine hydrochloride is used for relief of pain in minor operations, usually in combination with the vasoconstrictor epinephrine.

(Articaine Hydrochloride, NCI Thesaurus)

By competing with angiotensin I for ACE, deserpidine blocks the conversion of angiotensin I to angiotensin II, which is a potent vasoconstrictor.

(Deserpidine, NCI Thesaurus)

Epinephrine, a potent vasoconstrictor, is added to the gel to enhance penetration of cisplatin into tumor tissue and reduce dispersion into the surrounding tissues.

(Cisplatin-E Therapeutic Implant, NCI Thesaurus)