noradrenaline

Definitions of noradrenaline
  1. noun
    a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses
    synonyms: norepinephrine
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    type of:
    pressor, vasoconstrictive, vasoconstrictor
    any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugs; maintains or increases blood pressure
    monoamine neurotransmitter
    a monoamine that is functionally important in neural transmission
    catecholamine
    any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland
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