ANIMAL PHYSIOLOGY
EXCRETION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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urine formation
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reabsorption of water
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reabsorption of water and mineral salts
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concentration of ions
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Detailed explanation-1: -The principal function of the loop of Henle is in the recovery of water and sodium chloride from urine. This function allows production of urine that is far more concentrated than blood, limiting the amount of water needed as intake for survival.
Detailed explanation-2: -In summary, the loop of Henle is surrounded by tissue fluid which has a high concentration of ions in it. This causes water to move out of the descending limb by osmosis. Because of this concentration gradient ions move into the loop in the thin ascending limb.
Detailed explanation-3: -The primary site of sodium reabsorption in the Loop of Henle is the thick ascending limb (TAL). The TAL is impermeable to water. Sodium reabsorption is active – the driver is the Na+/K+ ATPase on the basolateral membrane which actively pumps 3 Na+ ions out of the cell and 2 potassium (K+) ions into the cell.
Detailed explanation-4: -The loop of Henle is a part of the Nephron in the kidneys, which helps to reabsorb water and salt from the kidney tubules.