noun
- a hormone produced by the adrenal glands that increases heart rate, blood pressure, and blood sugar; used medically to treat severe allergic reactions and cardiac emergencies
Usage: also called adrenaline; medical/scientific term
Examples
- The doctor administered epinephrine to the patient experiencing anaphylaxis.
- Epinephrine is released during the body's fight-or-flight response.
- An EpiPen delivers a dose of epinephrine to counteract severe allergic reactions.
- The emergency room kept epinephrine on hand for cardiac patients.
- Epinephrine causes blood vessels to constrict and the heart to beat faster.