HISTOLOGY
URINARY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The part of the nephron tubule that dips into the renal medulla, and returns to the renal cortex, actively removing salts from the filtrate to build up a concentration gradient.
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glomerulus
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proximal convoluted tubule
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renal corpuscle
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nephron loop
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Explanation:
Detailed explanation-1: -The next part of the tubule is highly coiled (the proximal convoluted tubule) and empties into a U-shaped loop which carries the filtered fluid deep down into the medulla and then back again into the cortex. This part of the nephron is called the loop of Henle.
Detailed explanation-2: -The proximal tubule transitions to the loops of Henle. Long-looped nephrons have a descending loop of Henle that dips deep into the inner medulla, makes a hairpin turn, and returns towards the outer medulla as the ascending thin loop of Henle.
Detailed explanation-3: -In some of the nephrons, the loop of Henle is very long and runs deep into the medulla. These nephrons are called as juxtamedullary nephrons.
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