norepinephrine \norepinephrine\ n.
A hormone ({C8H11NO3}) secreted by the adrenal medulla; it
also serves as a neurotransmitter, released at synapses;
called also {noradrenaline}. Chemically it is
2-amino-1-(3,4-dihydroxyphenyl)ethanol. It is a precursor of
epinephrine in the body.
Syn: noradrenaline.
[WordNet 1.5] norethandrolone