外侧降支下行分布于肱骨上段外侧面三角肌前部所覆盖区。
Lateral descending branch distributes to the area of proximal lateral humerus covered by the anterior part of deltoid muscle.
外侧降支下行分布于肱骨上段外侧面三角肌前部所覆盖区。
Lateral descending branch distributes to the area of proximal lateral humerus covered by the anterior part of deltoid muscle.
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