Selective reabsorption

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A diagram to show the process of selective reabsorption.

Selective reabsorption takes place in the proximal convoluted tubule (PCT) of the kidney. It is the process by which useful substances within the glomerular filtrate (such as glucose, amino acids, vitamins and water) are taken back into the blood after ultrafiltration. As only certain substances are reabsorbed, it is known as selective reabsorption.

A basic outline of the process of selective reabsorption