noun
- a hormone and neurotransmitter produced by the adrenal glands and nerve cells that increases heart rate and blood pressure in response to stress or danger
Usage: also called norepinephrine; medical/scientific term
Examples
- When you experience fear, your body releases noradrenalin to prepare for fight or flight.
- Noradrenalin levels increase during stressful situations, causing your heart to beat faster.
- The drug works by blocking the reuptake of noradrenalin in the brain.
- Athletes often have elevated noradrenalin during competition.
- Noradrenalin and adrenalin work together to mobilize the body's emergency response system.