As nouns the difference between absorption and reabsorption
is that absorption is the act or process of absorbing or of being absorbed as, while reabsorption is (physics) the subsequent absorption of emitted radiation.
What is absorption reabsorption?
Reabsorption: Being absorbed again. For example, the kidney selectively reabsorbs substances it has already secreted into the renal tubules, such as glucose, protein, and sodium. These reabsorbed substances are returned to the blood.
What is absorption in the kidney?
Tubular reabsorption allows the kidneys to retain the substances that are essential and regulate their levels in the plasma by altering the degree to which they are reabsorbed.