tissue dihydroxyphenylacetic acid (DOPAC) amount forebrain dihydroxyphenylacetic acid (DOPAC) amount The proportion, quantity or volume in the forebrain (part of the brain developed from the most rostral of the three primary vesicles of the embryonic neural tube from which the diencephalon and telencephalon are derived) of the 3-O-methyl ether of (3,4-dihydroxyphenyl)acetic acid, a catecholamine metabolite. Trait.ontology VT:0010844 CMO:0003098 2019-10-30T12:56:27Z caripark brain dihydroxyphenylacetic acid (DOPAC) amount