epinephrine

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

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This entry was last updated on RefTopia from its source on 3/20/2012.