Nerves,Sciatic

《英文msh詞典》Nerves,Sciatic
[入口詞] Nerves,Sciatic
[主題詞] Sciatic Nerve
[英文釋義] A nerve which originates in the lumbar and sacral spinal cord (L4 to S3) and supplies motor and sensory innervation to the lower extremity. The sciatic nerve,which is the main continuation of the sacral plexus,is the largest nerve in the body. It has two major branches,the TIBIAL NERVE and the PERONEAL NERVE.