It is called reabsorption (and not absorption) because these substances have already been absorbed once from ingested food and water (particularly in the intestines) and the body is reclaiming them …

Reabsorption is a fundamental biological process where the body reclaims valuable substances from a fluid or filtrate, returning them to the bloodstream. This mechanism is crucial for ensuring that …

Reabsorption is a finely tuned process that is altered to maintain homeostasis of blood volume, blood pressure, plasma osmolarity, and blood pH. Reabsorbed fluids, ions, and molecules are returned to …

In the kidney, filtration and reabsorption occur across two different capillary beds, the glomerulus and the peritubular capillaries (PTC), respectively. Similar to filtration, reabsorption in the kidney is …

Water gets reabsorbed passively by osmosis in response to the buildup of reabsorbed Na in spaces between the cells that form the walls of the nephron. Other molecules get reabsorbed passively …

Reabsorption is defined as a selective process that reclaims materials from tubular fluid and returns them to the bloodstream, primarily occurring in the renal tubules where approximately 99% of filtered …

The meaning of REABSORPTION is the act or process of absorbing something again or of being absorbed again. How to use reabsorption in a sentence.

Dec 31, 2025 · From this primary urine certain substances are reabsorbed into the blood and other substances are secreted into the primary urine from the blood. The word secretion is used by renal …

1. the act or process of absorbing again, as the absorption by the kidneys of substances that were already secreted into the tubules, such as glucose, proteins, or sodium. 2. resorption. Miller-Keane …

In the next chapter we will discuss how the kidney controls acid-base balance, but it important to understand the reabsorption and secretion mechanisms that the kidney uses to maintain this balance.