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| Description: Chloride and bicarbonate exchange in the renal tubules and effect of aldosterone on excretion of H+. In the distal tubule and collecting duct, bicarbonate secretion into the urine is coupled to chloride resorption. Aldosterone causes sodium resorption in exchange for H+ and K+ secretion into the renal tubular lumen. In a distal tube, bicarbonate enters and chloride exits. Aldosterone is caused by sodium exiting the tube and hydrogen and potassium entering. Picture Stats: Views: 97 Filesize: 67.22kB Height: 889 Width: 633 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=49817 |