<prompt> All of the following statements of the Adrenal gland are true except -Both are supplied by three arteriesBoth adrenal glands drain directly into inferior vena cavaRight gland is Pyramidal in shapeAverage weight is about 5gms.  <response>: Venous drainage is through a suprarenal vein. Right suprarenal adrenal vein drains into IVC and left suprarenal vein drains into the left renal vein and then into IVC.Other options are correct. 