tissue epinephrine amount forebrain epinephrine amount VT:0010833 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 a catecholamine secreted by the adrenal gland upon stimulation of the sympathetic nervous system. Trait.ontology 2019-10-30T12:30:44Z caripark brain epinephrine amount