Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a norepinephrine stimulus. Norepinephrine is a catecholamine that has the formula C8H11NO3; it acts as a hormone, and as a neurotransmitter in most of the sympathetic nervous system. [ GOC:mah GOC:BHF ]
Synonyms: response to norepinephrine stimulus response to noradrenaline stimulus
Term information
Note that epinephrine and norepinephrine are ligands for the same receptors, and there are multiple adrenergic receptors.