The maximum amount of electrolytes and water $(70-80 \%)$ from the glomerular filtrate is reabsorbed in…
The maximum amount of electrolytes and water $(70-80 \%)$ from the glomerular filtrate is reabsorbed in which part of the nephron?
Ascending limb of loop of Henle
Distal convoluted tubule
Proximal convoluted tubule
Descending limb of loop of Henle
Solution
From the Bowman's capsule, the glomerular filtrate enters the proximal convoluted tubule (PCT). PCT is surrounded by a network of peritubular capillaries and is the seat of reabsorption. About $75 \%$ of glomerular filtrate is normally reabsorbed in PCT before reaching the loop of Henle. The reabsorbed materials include glucose, amino acids, vitamins, hormones, sodium, potassium, chlorides, phosphates, bicarbonates, most of water and some urea etc.