Difference between tubular secretion and tubular reabsorption
Answers
Tubular secretion is the transfer of materials from peritubular capillaries to the renal tubular lumen; it is the opposite process of reabsorption. ... Usually only a few substances are secreted, and are typically waste products. Urine is the substance leftover in the collecting duct following reabsorption and secretion.
.
why is this important?
Tubular secretion is important for: ... Controlling blood pH: hydrogen ions are secreted from the renal tubule cells into the filtrate to retain and generate more HCO3 (base). As a result the blood pH rises and the urine drains off the excess hydrogen ions.
Tubular secretion is the transfer of materials from peritubular capillaries to the renal tubular lumen; it is the opposite process of reabsorption. ... Usually only a few substances are secreted, and are typically waste products. Urine is the substance leftover in the collecting duct following reabsorption and secretion.