Multiple Choice
The urinary system does all of the following, except that it:
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25. The Urinary System
Introduction to the Urinary System
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Which structure in the internal anatomy of the kidney is responsible for collecting urine from the renal pyramids before it passes into the ureter?
A
Renal cortex
B
Renal pelvis
C
Renal capsule
D
Renal artery
Verified step by step guidance1
Understand the anatomy of the kidney: The kidney is divided into several regions, including the renal cortex (outer layer), renal medulla (inner layer containing renal pyramids), and renal pelvis (central collecting area).
Identify the function of the renal pyramids: The renal pyramids are located in the medulla and contain nephrons, which filter blood and produce urine. The urine flows from the nephrons into the minor calyces.
Learn the role of the renal pelvis: The renal pelvis is a funnel-shaped structure that collects urine from the minor and major calyces, which are connected to the renal pyramids. It serves as the final collecting area before urine enters the ureter.
Differentiate the other options: The renal cortex is involved in filtration and contains parts of the nephron, but it does not collect urine. The renal capsule is a protective layer surrounding the kidney, and the renal artery supplies blood to the kidney but does not collect urine.
Conclude that the renal pelvis is the correct structure responsible for collecting urine from the renal pyramids before it passes into the ureter.
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