EPINEPHRINE

Pronunciation (US):

(GB):

 Dictionary entry overview: What does epinephrine mean? 

• EPINEPHRINE (noun)
  The noun EPINEPHRINE has 1 sense:

1. a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action

  Familiarity information: EPINEPHRINE used as a noun is very rare.

 Dictionary entry details 

• EPINEPHRINE (noun)

Sense 1

Meaning:

A catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action

Classified under:

Nouns denoting body parts

Synonyms:

Adrenalin; adrenaline; epinephrin; epinephrine

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

pressor; vasoconstrictive; vasoconstrictor (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)

endocrine; hormone; internal secretion (the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect)

neurotransmitter (a neurochemical that transmits nerve impulses across a synapse)

catecholamine (any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland)

 Context examples 

Cells that store epinephrine secretory vesicles.

(Chromaffin cell, NLM, Medical Subject Headings)

This leads to stimulation of medullary, vagal, vasomotor, and respiratory centers in the brain; and the release of epinephrine.

(Caffeine, NCI Thesaurus)

Epinephrine can stimulate the same activity to release energy during the fight or flight response.

(Beta-Oxidation of Fatty Acids Pathway, NCI Thesaurus/BIOCARTA)

A product of the O-methylation of epinephrine by catechol O-methyltransferase, which has no physiologic activity.

(Metanephrine, NCI Thesaurus)

An injectable collagen matrix gel containing the inorganic platinum agent cisplatin and the sympathicomimetic agent epinephrine with potential antineoplastic activity.

(Cisplatin-E Therapeutic Implant, NCI Thesaurus)

Once inside the eye, dipivefrin hydrochloride is converted by hydrolysis to epinephrine.

(Dipivefrin Hydrochloride, NCI Thesaurus)

Due to its lipophilicity, dipivefrin penetrates more easily to the anterior chamber of the eye and is hydrolyzed to epinephrine, when applied locally.

(Dipivefrin, NCI Thesaurus)

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

(Articaine Hydrochloride, NCI Thesaurus)

An injectable collagen matrix gel containing the antimetabolite methotrexate and the sympathicomimetic agent epinephrine with potential antineoplastic activity.

(Methotrexate-E Therapeutic Implant, NCI Thesaurus)

Most paraganglia secrete epinephrine and norepinephrine.

(Paraganglia, NCI Dictionary)