The chemical reactions and pathways resulting in the breakdown of norepinephrine, a hormone secreted by the adrenal medulla, and a neurotransmitter in the sympathetic peripheral nervous system and in some tracts in the central nervous system. It is also the demethylated biosynthetic precursor of epinephrine. [ https://www.worldcat.org/search?q=bn%3A0198506732 GOC:jl ]
Synonyms: norepinephrine catabolism levarterenol catabolic process levarterenol catabolism norepinephrine breakdown noradrenaline catabolic process noradrenaline catabolism norepinephrine degradation