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Definition 2024


epinephrine

epinephrine

English

Structure diagram of epinephrine

Noun

epinephrine (countable and uncountable, plural epinephrines)

  1. (biochemistry, biochemistry, organic chemistry) 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.

Synonyms

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

Hypernyms

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