Loop of Henle is found ina)Pronephric kidneyb)Meta nephric kidneyc)Bothd)NoneCorrect answer is option 'B'. Can you explain this answer?

Question

Answer

Kidney development or nephrogenesis describes the embryologic origins of the kidney a major organ in the urinary system nephrogenesis is often considered in the broader context of the development of the urinary and reproductive organs

Answer

Loop of Henle, long, U-shaped portion of the tubule that conducts urine within each nephron (q.v.) of the kidney of reptiles, birds, and mammals. The principal function of the loop of Henle appears to be the recovery of water and sodium chloride from the urine.

Answer

Loop of Henle is found in Meta nephric kidney.

The Loop of Henle:
The Loop of Henle is a crucial component of the nephron, the functional unit of the kidney. It is responsible for creating an osmotic gradient within the kidney, which is necessary for the reabsorption of water and the concentration of urine.

The Meta nephric Kidney:
The Meta nephric kidney is a type of kidney found in reptiles, birds, and mammals. It is a more advanced and efficient form of kidney compared to the pronephric kidney. The Meta nephric kidney consists of millions of nephrons, each of which contains a Loop of Henle.

Functions of the Loop of Henle:
1. Countercurrent Multiplication: The Loop of Henle sets up a countercurrent system, which allows for the multiplication of the osmotic gradient. This occurs due to the difference in solute concentration between the descending and ascending limbs of the loop.
2. Water Reabsorption: The descending limb of the Loop of Henle is permeable to water, allowing water to passively diffuse out of the tubule and into the surrounding interstitial fluid. This water reabsorption helps concentrate the urine.
3. Sodium Reabsorption: The ascending limb of the Loop of Henle is impermeable to water but actively transports sodium ions out of the tubule and into the interstitial fluid. This creates a high concentration of sodium in the interstitial fluid, which aids in the reabsorption of water in the collecting duct.
4. Dilution of Urine: The Loop of Henle also plays a role in diluting the urine by allowing the reabsorption of solutes while preventing the reabsorption of water in the ascending limb. This helps maintain the body's water balance.

Conclusion:
The Loop of Henle is a crucial structure found in the Meta nephric kidney. It is responsible for creating an osmotic gradient, reabsorbing water, and concentrating urine.

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