Source:http://linkedlifedata.com/resource/umls/id/C1156652
GO: The chemical reactions and pathways occurring at the level of individual cells resulting in the formation of any of a group of naturally occurring, biologically active amines, such as norepinephrine, histamine, and serotonin, many of which act as neurotransmitters. [GOC:jl, ISBN:0395825172]