The chemical reactions and pathways involving any of a group of physiologically important biogenic amines that possess a catechol (3,4-dihydroxyphenyl) nucleus and are derivatives of 3,4-dihydroxyphenylethylamine. [ GOC:jl https://www.worldcat.org/search?q=bn%3A0198506732 ]
Synonyms: catecholamine metabolism
This is just here as a test because I lose it