forebrain dopamine amount 2019-10-30T15:08:44Z CMO:0003094 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 this catecholamine neurotransmitter, derived from tyrosine and the precursor to norepinephrine and epinephrine. Trait.ontology VT:0010869 caripark brain dopamine amount