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Definition of Lumbosacral plexus
1. Noun. A nerve plexus formed by the ventral divisions of the coccygeal and sacral and lumbar nerves; supplies the lower limbs and perineum and coccygeal area.
Generic synonyms: Nerve Plexus
Medical Definition of Lumbosacral plexus
1. The lumbar and sacral plexuses taken together. The fibres of the lumbosacral plexus originate in the lumbar and upper sacral spinal cord (l1 to s3) and innervate the lower extremities. (12 Dec 1998)
Lexicographical Neighbors of Lumbosacral Plexus
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