Contents
- 1 What is the difference between a countercurrent multiplier system such as the one involving?
- 2 What is the difference between a counter current multiplier and a counter current exchanger?
- 3 What is the countercurrent multiplier and how does it work?
- 4 What increases both water and Na+ reabsorption?
- 5 What is the purpose of the countercurrent multiplier?
- 6 What is the importance of countercurrent multiplier?
What is the difference between a countercurrent multiplier system such as the one involving?
A) A countercurrent multiplier system, such as the one involving the loop of Henle, involves movement of ions rather than movement of oxygen or heat transfer. Unlike the other countercurrent systems, a countercurrent multiplier system, such as the one involving the loop of Henle, expends energy in active transport.
What is the difference between a counter current multiplier and a counter current exchanger?
Countercurrent multiplication is something the tubule does to create the high interstitial osmolality, and a large osmolality gradient between the renal medulla and the renal cortex. The countercurrent exchange mechanism is something the vasa recta do to maintain this gradient.
What is meant by countercurrent multiplier system?
countercurrent multiplier system An active process occurring in the loops of Henle in the kidney, which is responsible for the production of concentrated urine in the collecting ducts of the nephrons.
What is the countercurrent multiplier and how does it work?
The loop of Henle utilizes the countercurrent multiplier system to increase the concentration of solute and ions within the interstitium of the medulla. This ultimately allows the nephron to reabsorb more water and concentrate the urine while at the same time using as little energy as possible.
What increases both water and Na+ reabsorption?
A ADH causes the distal tubule to increase Na+ reabsorption when Na+ levels in the blood are low. D ADH causes the collecting duct to increase water reabsorption by the surrounding tissue under conditions of dehydration.
Where does countercurrent exchange occur?
renal medulla
It is generally accepted that the microcirculation of the renal medulla functions as a countercurrent exchanger that traps NaCl and urea deposited to the interstitium by the loops of Henle and collecting ducts, respectively.
What is the purpose of the countercurrent multiplier?
Countercurrent multiplication in the kidneys is the process of using energy to generate an osmotic gradient that enables you to reabsorb water from the tubular fluid and produce concentrated urine.
What is the importance of countercurrent multiplier?