NERVOUS SYSTEM SPECIAL SENSE
SPINALCORD
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Spinal nerves of S.l-3
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Anterior rami of spinal nerves L.2, 3
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Posterior rami of spinal nerves L. 1 to coccygeal 1
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Anterior and posterior nerve roots of the spinal nerves below the first lumbar segment of the spinal cord.
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Spinal nerves of L.l-5
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Detailed explanation-1: -The individual nerve roots at the end of the spinal cord that provide motor and sensory function to the legs and the bladder continue along in the spinal canal. The cauda equina is the continuation of these nerve roots in the lumbar and sacral region.
Detailed explanation-2: -The cauda equina is a group of nerves and nerve roots stemming from the distal end of the spinal cord, typically levels L1-L5 and contains axons of nerves that give both motor and sensory innervation to the legs, bladder, anus, and perineum.
Detailed explanation-3: -The cauda equina is the bundle of nerve roots located at the lower end of the spinal cord.
Detailed explanation-4: -A group of nerve roots that travel down from the spinal cord and the conus medullaris is called the cauda equina. The cauda equina contains nerve roots from L2 in the lumbar spine to Co1 in the coccygeal (tail bone end) spine.