The adrenals, small glands located above each kidney, produce a number of important hormones. The adrenals’ inner medulla produces epinephrine and norepinephrine (adrenaline). Tumors of the adrenal medulla which produce excess epinephrine and norepinephrine are called pheochromocytomas. Deficiencies of the adrenal medulla that reduce the levels of these hormones do not give rise to clinical […]