Epinephrine (noun)

A hormone produced by the adrenal gland that increases heart rate, blood pressure, and glucose levels in response to stress.

Origin:

From the greek words "epi" meaning "on", and "nephros" meaning "kidney".

Examples:

1. Epinephrine is also known as adrenaline, and is produced in response to physical or emotional stress.
2. The doctor prescribed an epinephrine auto-injector for the patient who was highly allergic to bee stings.
3. The sudden burst of energy he felt was caused by the release of epinephrine into his bloodstream.
4. Epinephrine is used to treat anaphylactic shock, a life-threatening allergic reaction.
5. The survival kit included an epinephrine injector, in case of emergency.