adrenalin

n. hormone which causes blood pressure to rise

Epinephrine (INN) (IPA: ) or adrenaline (European Pharmacopoeia and BAN) (IPA: ), sometimes spelled "epinephrin" or "adrenalin" respectively, is a hormone when carried in the blood and a neurotransmitter when it is released across a neuronal synapse. It is a catecholamine, a sympathomimetic monoamine derived from the amino acids phenylalanine and tyrosine. The Latin roots ad-+renes and the Greek roots epi-+nephros both literally mean "on/to the kidney" (referring to the adrenal gland, which sits atop the kidneys and secretes epinephrine). Epinephrine is sometimes shortened to epi or to EP in medical jargon.
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Adrenalin /Adren·a·lin/ trademark for preparations of epinephrine. A·dren·a·lin A trademark for a preparation of epinephrine. [more]Adrenalin - Community and Resources

Noun
1. a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action
(synonym) epinephrine, epinephrin, adrenaline
(hypernym) hormone, endocrine, internal secretion
(classification) trade name, brand name, brand, marque

n. adrenalin, adrenaline, hormone which causes blood pressure to rise