simultaneous bilateral adrenal vein catheterization ( avc ) was employed to measure the levels of hormone effluent from the adrenal cortex and medulla and in all instances the cortisol concentrations were greatest from the side of the mass lesion in those patients with unilateral masses and from the larger of the two adrenals in the patient with bilateral adrenal masses .
C0001613
adrenal cortex
C0001625
adrenals