Which among the following is not formed by kidney?(Repeat Q. 45 2009)
High-Yield Explanation
Ans: d (Aldosterone)Ref: Ganong 22nd ed Pg. 454)Aldosterone - 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 D)2) 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 cells)Angiotensin I ACE (Angiotensin converting enz. from Pulm. endothelium)Angiotensin IIMetabolism of vitamin D