<prompt> Which among the following is not formed by kidney?Repeat Q. 45 2009ErythropoietinReninVitamin DAldosterone  <response>: Ans: d AldosteroneRef: Ganong 22nd ed Pg. 454Aldosterone - is produced by Zona glomerulosa of adrenal cortex.Erythropoietin - by the interstitial cells in the peritubularcapillaries in kidneys 85 and perivenous hepatocytes of liver 15.Renin - by the juxta glomerular cells of the kidney.Kidney produces 3 hormones1 1,25 OH cholecalciferol vitamin D2 Renin3 ErythropoietinAldosterone: is produced by Zona Glomerulosa of adrenal cortex.Erythropoietin: by the interstitial cells in the peritubular capillaries in kidneys 85 and perivenous hepatocytes of liver 15.Renin: by the juxta glomerular cells of the kidney.Renin Angiotensin SystemAngiotensinogen from liver - found in alpha 2 globulin fraction of plasma Renin from JG cellsAngiotensin I ACE Angiotensin converting enz. from Pulm. endotheliumAngiotensin IIMetabolism of vitamin D 