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Which of the following empties urine into the calyx?Multiple choice question.UreterPapillary ductProximal convoluted tubuleUrethra

Question

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Solution

The correct answer is Papillary duct. Here's why:

  1. The process begins in the kidneys, where blood is filtered to create urine in the nephrons.

  2. The urine then travels through the proximal convoluted tubule, which is part of the nephron, but it does not empty the urine into the calyx.

  3. The urine continues its journey through the nephron, passing through various other components such as the loop of Henle and the distal convoluted tubule.

  4. Finally, the urine reaches the papillary duct. The papillary ducts, also known as the ducts of Bellini, are the final component of the nephron.

  5. The papillary ducts empty the urine into the minor calyx, a part of the renal pelvis. From there, the urine travels through the major calyx, then the renal pelvis, and finally down the ureter to the bladder.

  6. The urethra is involved in the excretion of urine, but it is the final pathway for the elimination of urine from the body, not for emptying urine into the calyx.

So, the correct answer to the question "Which of the following empties urine into the calyx?" is the Papillary duct.

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