Lexic.us

Definition of Adrenaline

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

Definition of Adrenaline

1. n. A crystalline substance, C₉H₁₃O₃N, obtained from suprarenal extract, of which it is regarded as the active principle. It is used in medicine as a stimulant and hemostatic.

Definition of Adrenaline

1. [n -S]

Medical Definition of Adrenaline

1. A hormone produced by the adrenal medulla in mammals. It can be produced synthetically for medical purposes. It is secreted by the adrenal medulla in response to low blood glucose, exercise and stress and causes a breakdown of glycogen to glucose in the liver, encourages the release of fatty acids from adipose tissue, causes vasodilation of the small arteries within muscle and increases cardiac output. (27 Sep 1997)

Lexicographical Neighbors of Adrenaline

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