adrenaline

noun Biochemistry, Pharmacology.

1. epinephrine(def 1).

noun

1. a hormone that is secreted by the adrenal medulla in response to stress and increases heart rate, pulse rate, and blood pressure, and raises the blood levels of glucose and lipids. It is extracted from animals or synthesized for such medical uses as the treatment of asthma. Chemical name: aminohydroxyphenylpropionic acid; formula: C 9 H 13 NO 3US name: epinephrine

n.

also Adrenalin (trademark name), coined 1901 by Japanese chemist Jokichi Takamine (1853-1922), who discovered it, from Modern Latin adrenal (see adrenal) + chemical suffix -ine (2). Adrenaline rush was in use c.1970.

n.

1. epinephrine

1. See epinephrine.

A hormone secreted by the adrenal glands that helps the body meet physical or emotional stress (see endocrine system).