BRAIN
SPINAL CORD
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The conus medullaris, the inferior part of the spinal cord, stops in an adult at the superior part of which vertebrae?
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C7
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T9
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L2
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S5
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Explanation:
Detailed explanation-1: -The conus medullaris is the terminal end of the spinal cord, which typically occurs at the L1 vertebral level in the average adult.
Detailed explanation-2: -Definition and location. The conus medullaris is the tapering distal end of the spinal cord and consists of the sacral (S2-S5) and coccygeal spinal cord segments. Typically, the conus medullaris lies around the level of L1 vertebra in adults, but it may be as high as T12 vertebra or as low as L3 vertebra.
Detailed explanation-3: -Summary of background data: Cadaveric studies have shown that the position of the conus medullaris in the adult most commonly is located at L1-L2.
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