Epinephrin

/ˌɛpɪˈnɛfrɪn/ noun

Definition

Another name for adrenaline, a hormone and neurotransmitter released by the adrenal glands that increases heart rate, blood pressure, and energy availability during stress or excitement.

Etymology

From Greek epi- (upon) + nephros (kidney). Named for where it's produced, the adrenal glands (literally 'upon kidneys').

Kelly Says

Epinephrin is your body's emergency broadcast system—when danger appears, this hormone floods your bloodstream to make you faster, stronger, and more alert in seconds.

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