Norepinephrine

/nˈɔːpaɪnfɹˌiːn/

/nˈoːɹpaɪnfɹˌiːn/

[noun]

Norepinephrine

[NOUN]

a hormone and neurotransmitter that regulates the body's stress response

synonyms : noradrenaline

What is "norepinephrine"?

Norepinephrine is released by the adrenal glands and acts as both a hormone and a neurotransmitter. It plays a key role in the body's fight-or-flight response, mobilizing energy reserves and increasing heart rate, blood pressure, and blood flow to the muscles. Norepinephrine also affects mood, attention, and cognition, helping to enhance focus and arousal.

Examples

1. Norepinephrine is responsible for your fight or flight reflex.

2. So, suddenly, norepinephrine is just a minor player in this pleasure pathway stuff.

3. Excitatory norepinephrine, heart speeds up.

4. You get norepinephrine, dopamine, anandamide, serotonin and endorphins.