Term: brain homovanillic acid
Name: brain
Synonyms: brain structure
Definition: Cavitated compound organ which is comprised of gray and white matter and surrounds the cerebral ventricular system.
Ontology: Anatomy Ontology [ZFA:0000008]

Name: homovanillic acid
Synonyms: (4-hydroxy-3-methoxyphenyl)acetic acid, 2-(4-hydroxy-3-methoxyphenyl)acetic acid, 3-Methoxy-4-hydroxyphenylacetate, 3-Methoxy-4-hydroxyphenylacetic acid, 4-Hydroxy-3-methoxybenzeneacetic acid, Homovanillic acid, HVA, Vanillacetic acid
Definition: A monocarboxylic acid that is the 3-O-methyl ether of (3,4-dihydroxyphenyl)acetic acid. It is a catecholamine metabolite.
Ontology: ChEBI [CHEBI:545959]  ( EBI )