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尺神经手背支的解剖学研究

An Anatomical Study of Dorsal Branch of the Ulnar Nerve
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摘要 在30侧成人上肢标本上解剖观测了尺神经手背支。该支由尺神经内侧面发出,分支处距豌豆骨上缘6.4±1.3cm,起点处横径为2.5±0.5mm,它经尺侧腕屈肌穿过深筋膜转向背侧,在距豌豆骨上缘3.8±1.7cm处移行为皮支。该神经平均有5个分支,横径在0.5~2mm间.对该神经的详细观测为临床医生修复创伤,腕部手术以及局部神经阻滞麻醉时定位提供了参考依据。 he dorsal branch of the ulnar nerve was observed in 30 adult upper limb specimens. The nerve arose from the medial side of the ulnar nerve at an average distance of 6.4cm from the proximal border of the pisiform,Its mean diameter at origin was 2.5mm, The nerve passed dorsal to the flexor carpi ulnaris and pierced the deep fascia. It became subcutaneous on the medial side of the forearm at a mean distance of 3.8cm from the proximal edge of the pisiform. The nerve gave an average of five branches with diameters between0. 5mm and 2mm. A better understanding of the anatomy of this nerve may help in locating the nerve for repair of lacerations or administration of local anesthetics for regional nerve blocks.
出处 《华夏医学》 CAS 1994年第4期19-20,共2页 Acta Medicinae Sinica
关键词 尺神经手背支 解剖 标本 ulnar nerve dorsal branch anatomy specimen
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