epinephrine

From Ancient Greek ἐπι- (epi-, “upon”) + νεφρός (nephrós, “kidney”) + -ine.

• IPA^(key): /ɛpɪˈnɛfɹɪn/

epinephrine (countable and uncountable, plural epinephrines)

1. (biochemistry, organic chemistry, medicine) A catecholamine hormone and neurotransmitter; as a hormone, secreted by the adrenal gland in response to stress (when it stimulates the autonomic nervous system); as a neurotransmitter, synthesized from norepinephrine. It is also used as a medication.

   Synonym: adrenaline

   • 2023 November 1, “‘We’re sedating women with self-care’: how we became obsessed with wellness”, in The Guardian‎, →ISSN:

     At the ER, after deflating me with a cocktail of epinephrine, a steroid and an antihistamine, the doctors scolded me for not coming in more quickly: I could have died of asphyxiation.

• (hormone and neurotransmitter): 4,5-β-trihydroxy-N-methylphenethylamine

• (hormone): catecholamine
• (neurotransmitter): monoamine, phenethylamine

• adrenaline on Wikipedia.Wikipedia