目的观察研究腋神经中支配三角肌的功能束（组）于四边孔平面在神经干中的分布规律及组织学特征。

Objective To observe and study the distribution and histological feature of the fascicular groups to deltoid muscle in axillary nerve at the level of quadrilateral zone.

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由于支配心房的迷走神经丛主要分布于心房外膜的脂肪垫中，因此，以心房去迷走神经化为终点的脂肪垫消融成为一项新的心房颤动治疗措施。

While the vagal innervate the atrium mainly mediated by the epicardial fat pads(FP), ablation of FP with an endpoint of vagal denevation is becoming a new ablation strategy in treating AF.

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