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桡神经浅支为桡神经的直接延续,行于肱桡肌深面,继而穿该肌分布于手背桡侧及桡侧两个半近节指骨背面的皮肤;而前臂外侧皮神经则分布于前臂的外侧,虽有少许纤维行至手背皮肤,但干径较小。作者在1例成年男性右前臂神经标本制作中发现,肱桡肌深面未见桡神经浅支走行,而只见桡神经深支纤维分布到前臂伸肌肌群,故推断该标本桡神经浅支缺如。该标本的前臂外侧皮神经干径较粗,起始处直径
The superficial branch of the radial nerve is a direct continuation of the radial nerve and runs deep in the brachioradialis muscle. The muscle then spreads through the skin of the dorsal surface of the phalanges of the two semimnionic segments of the dorsum of the hand and the radial side of the hand. The lateral forearm nerve is distributed in the forearm The outer side, although a little fiber line to the back of the hand skin, but dry diameter smaller. The author found in one adult male right forearm nerve specimens found that the deep surface of the radial brains and the radial muscle did not see the superficial branch of radial nerve walking, and saw the radial nerve deep branch fibers distributed to the forearm extensor muscle group, it is concluded that the specimen radial nerve shallow Missing like. The specimens of the forearm lateral cutaneous nerve stem diameter, starting diameter