Multiple Choice
What is the primary function of the urinary system?
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25. The Urinary System
Introduction to the Urinary System
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In the context of the urinary system, what is a minor calyx?
A
A part of the nephron responsible for filtration
B
A muscle that controls the release of urine from the bladder
C
A small blood vessel that supplies the kidney
D
A structure that collects urine from the renal pyramids
Verified step by step guidance1
Begin by understanding the anatomy of the kidney, which is a vital organ in the urinary system responsible for filtering blood and producing urine.
The kidney is composed of several structures, including the renal cortex, renal medulla, and renal pelvis. Within the renal medulla, there are cone-shaped tissues called renal pyramids.
Urine produced by the nephrons in the renal pyramids is collected by small funnel-shaped structures known as minor calyces.
Each minor calyx surrounds the apex of a renal pyramid and serves as a passageway for urine to flow from the renal pyramids into the larger major calyces.
Finally, the major calyces converge to form the renal pelvis, which channels urine into the ureter, leading to the bladder for storage before excretion.
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