tissue norepinephrine amount midbrain/pons norepinephrine amount caripark CMO:0003112 The proportion, quantity or volume in the midbrain (the middle of the three cerebral vesicles of the embryo or the corresponding part of the adult brain) and neighboring pons (between the medulla oblongata and the midbrain) of a catecholamine hormone that functions as a neurotransmitter and is the precursor to epinephrine. Trait.ontology VT:0010857 2019-10-30T14:34:32Z brain norepinephrine amount