epinephrine

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Contents

English [edit]

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Etymology [edit]

From Ancient Greek ἐπί (upon) + νεφρός (kidney) + -ine.

Pronunciation [edit]

  • IPA: /ɛpɪˈnɛfɹɪn/

Noun [edit]

epinephrine (uncountable)

  1. (biochemistry) Adrenaline: a catecholamine hormone secreted by the adrenal gland in response to stress (when it stimulates the autonomic nervous system).
  2. (biochemistry) A neurotransmitter which is synthesized from norepinephrine.

Usage notes [edit]

Is used medicinally as a heart stimulant, vasoconstrictor and bronchial relaxant.

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