HISTOLOGY
URINARY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A kidney has about ____ nephrons.
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1 million
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1 billion
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1 thousand
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1 hundred
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Explanation:
Detailed explanation-1: -Several studies have shown that total nephron (glomerular) number varies widely in normal human kidneys. Whereas the studies agree that average nephron number is approximately 900, 000 to 1 million per kidney, numbers for individual kidneys range from approximately 200, 000 to >2.5 million.
Detailed explanation-2: -The Malpighian corpuscles of these nephrons are located in the outer part of the renal cortex. They constitute about 85% of total nephrons in the kidney.
Detailed explanation-3: -Juxtamedullary nephrons account for more than 80% of the nephrons.
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