|  noradrenaline 
 
 a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses (Freq. 1)
 • Syn:
 norepinephrine
 • Hypernyms:
 catecholamine, monoamine neurotransmitter, vasoconstrictor, vasoconstrictive, pressor
 
 
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