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1. (n.) epinephrine
a hormone secreted by the adrenal medulla upon stimulation by the central nervous system in response to stress, as anger or fear, and acting to increase heart rate, blood pressure, cardiac output, and carbohydrate metabolism.
2. epinephrine
a commercial preparation of this substance, used chiefly as a heart stimulant and antiasthmatic.
Etymology: (1895–1900; epi - + Gk nephr(ós) kidney + -ine2)
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| Definition of 'Epinephrine' |
Princeton's WordNet |
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1. (noun) epinephrine, epinephrin, adrenaline, Adrenalin
a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action
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| Definition of 'Epinephrine' |
U.S. National Library of Medicine |
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1. Epinephrine
The active sympathomimetic hormone from the adrenal medulla. 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.
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| Alternative search options for 'Epinephrine' |
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Definitions of Epinephrine 
