Question
Write a summary of the events taking place in the nephron.
| Summary of events taking place in the nephron | ||||
| S.No. | Transported substances | Part of Nephron | Related process | Mechanism |
| 1. | Glucose, Amino acids, Albumin Protein, Vitamins, Hormones, $Na ^{+}$, $K ^{+}, Mg ^{2+}, Ca ^{+2}, H _2 O , HCO _3^{-}$ Urea, Creatinine, Uric acid, Ketone bodies. | Bowman's Capsule | Glomerular filtration | Ultrafiltration |
| 2. | Glucose, Amino acids, Hormones, Vitamins, $Na ^{+}, K ^{+}, Mg ^{2+}, Ca ^{+2}$ | Proximal convoluted tubule (P.C.T.) | Reabsorption | Active Transport |
| 3. | $Cl ^{-}$ | Proximal convoluted tubule | Reabsorption | Passive Transport |
| 4. | Water | Proximal convoluted tubule | Reabsorption | Osmotic |
| 5. | Urea | Proximal convoluted tubule | Reabsorption | Diffusion |
| 6. | $H _2 O$ | Narrow part of the descending arm of Henle loop | Reabsorption | Osmotic |
| 7. | $Na ^{+}, K ^{+}, Mg ^{+2}, Ca ^{+2}, Cl ^{-}$ | Narrow part of the ascending arm of Henle loop | Reabsorption | Diffusion |
| 8. | Inorganic income as above | Broader part of the ascending arm of Henle loop | Reabsorption | Active Transport |
| 9. | $H _2 O$ | D.C.T., Collection Tubes | Reabsorption with the help of ADH | Osmotic |
| 10. | $Na ^{+}$ | D.C.T., Collection Tubes | Reabsorption with the help of aldosterone | Active Transport |
| 11. | Urea | Last part of collecting ducts | Reabsorpton with the help of secretion aldosterone | Diffusion |
| 12. | Creatinine, hipuric acid, foreign substances | Proximal convoluted tubule | Reabsorption with the help of secretion aldosterone | Active Transport |
| 13. | $K ^{+}, H ^{+}$ | Distal convoluted tubule | Reabsorption with the help of secretion aldosterone | Active Transport |
| 14. | $NH ^3$ | Distal convoluted tubule | Reabsorption with the help of secretion aldosterone | Diffusion |
| 15. | Urea | Ascending arm (thin part) of Henle loop | Reabsorption with the help of secretion aldosterone | Diffusion |
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