前臂后群伸肌的神经分布及意义
Distribution and significance of muscular branches of radial nerve in posterior region of forearm
目的 探讨前臂后群肌内的桡神经走行及分布，为临床自体骨骼肌移植提供解剖学基础。 方法 在5 具新鲜成人尸体标本上，完整取下桡侧腕长伸肌、指伸肌、拇长展肌和拇长伸肌，观测肌外神经来源，并采用改良Sihler’s 肌内神经染色法观察肌内神经的分支、分布。 结果 采用Sihler’s 染色后的肌肉标本，呈透明或半透明状态，肌内神经分支被染成紫黑色，其在肌肉内的分布及走行清晰可见。 结论 根据染色结果可将桡侧腕长伸肌、指伸肌、拇长展肌和拇长伸肌分为不同的肌亚部，为临床肌移植设计有指导意义。
Objective To investigate the innervation of the radial nerve in the posterior region of the forearm muscles and provide the anatomical basis for autologous skeletal muscle graft. Methods Ten forearms were dissected from five fresh adult cadavers to observe the extramuscular distribution of the nerve and the intramuscular distribution of the nerve using the standard Sihler's nerve staining method. Results The intramuscular nerve branches were stained purple-black and could be visualized clearly. The muscles were classified into different categories according to common shapes and intramuscular neural distribution. Conclusions According to the intramuscular neural distribution, some of the forearm muscles can be split into different compartments and serve as independent function units for segmental muscle transplantation. the outcomes of our anatomical investigation is of crucial guiding significance for clinical muscle transplants.
前臂后群肌肉 / Sihler&rsquo / s 染色法 / 肌内神经 / 肌亚部
Posterior region of forearm / Sihler's staining / Intramuscular nerve distribution / Neuromuscular compartment
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