forebrain dopamine amount 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. VT:0010869 caripark 2019-10-30T15:08:44Z Trait.ontology brain dopamine amount