这个词是什么意思？
A nerve originating in the lumbar spinal cord (L2 to L4) and traveling through the lumbar plexus to the lower extremity. The obturator nerve provides motor innervation to the adductor muscles of the thigh and cutaneous sensory innervation of the inner thigh.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D009776 · MeSH 2026。
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