Epinephrine Definition
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Epinephrine: The active sympathomimetic hormone from the adrenal medulla in most species. It stimulates both the alpha- and beta- adrenergic systems, causes systemic vasoconstriction and gastrointestinal relaxation, stimulates the heart, and dilates bronchi and cerebral vessels. It is used in asthma and cardiac failure and to delay absorption of local anesthetics.
Synonym: adrenaline hydrochloride, adrenaline bitartrate, adrenaline, racemic epinephrine, micronephrine, micronefrin, medihaler-epi, lyophrin, epitrate, epinephrine hydrogen tartrate, epinephrine bitartrate, epifrin, vaponefrin, racepinephrine.