What is the loop of Henle and what is its function?
loop of Henle, long U-shaped portion of the tubule that conducts urine within each nephron of the kidney of reptiles, birds, and mammals. The principal function of the loop of Henle is in the recovery of water and sodium chloride from urine.
What are the three major functions of the loop of Henle?
Other functions of the loop of Henle include:
- Homeostatic mechanisms to regulate the extracellular fluid volume.
- Regulating potassium, calcium and magnesium excretion at the lowest energy costs.
- Homeostasis of the acid-base balance via bicarbonate and ammonia excretion.
- Regulating the composition of urinary protein.
Where in the kidney is the loop of Henle located?
medulla
The loop of Henle is located in the medulla of the kidneys, it is the next step in the renal tubule process after the proximal tubule.
How many loops of Henle are in the kidney?
The ques- tion is important, since of the two types of nephron, only one has loops of Henle in the inner renal medulla, the region with the highest osmotic pressure. While a definitive answer is not yet available, several features are described which lay the basis for a speculative conclusion. in most mammals.
Why is it called loop of Henle?
Named after its discoverer, the German anatomist Friedrich Gustav Jakob Henle, the loop of Henle’s main function is to create a concentration gradient in the medulla of the kidney.
What is the main function of the loop of Henle quizlet?
The primary function of the loop of Henle is: to generate a concentration gradient between the inner medulla and outer cortex. Osmoregulation is: the control of osmotic pressure through regulation of water and solute levels.
What is the importance of having a long loop of Henle and short loop of Henle in a nephron?
The counter-current system of the Loop of Henle is involved in the recovery of the water and NaCl from urine. The longer the Loop of Henle, the higher the osmolarity of the fluid as it contains more water. The short loops of the cortical nephrons passively reabsorb urea in the thick ascending limbs.
Does ADH effect loop of Henle?
The loop of Henle establishes a salt gradient (hypertonicity) in the medulla. Anti-diuretic hormone (ADH) regulates the level of water reabsorption in the collecting duct.
What is the function of the loop of Henle in the nephron?
The primary function of the loops of Henle and the thick ascending limb of the distal tubule is the concentration of urine utilizing a principle called ‘countercurrent multiplication. ‘ The medulla possesses a gradient of urea and salt with increasing concentrations of these solutes closer to the papillae.
Is the loop of Henle in the medulla?
Different sections of nephrons are located in different parts of the kidney: The cortex contains the renal corpuscle, proximal, and distal convoluted tubules. The medulla and medullary rays contain the loops of Henle and collecting ducts.
What substance does the ascending loop of Henle reabsorb?
sodium chloride
Thick ascending limbs of Henle’s loop have at least three major roles: (1) They reabsorb sodium chloride which dilutes the urine.