EPINEPHRINE By N., Sam M.S. - 4 A catecholamine neurotransmitter and adrenal hormone that is the end product of metabolising tyrosine. Also called adrenaline. EPINEPHRINE: "Epinephrine is synthesised in the adrenal medulla." Related Psychology Terms BIOGENIC AMINES NOREPINEPHRINE (NE) ADRENAL GLANDS TYROSINE HYDROXYLASE SALESMANSHIP PHEOCHROMOCYTOMA PITUITARY GLAND HALLUCINOGEN EMOTION (General) GASTRIN Cite this page: N., Sam M.S., "EPINEPHRINE," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/epinephrine/ (accessed January 24, 2022).