中斜角肌，组织名。隶属于肩胛背神经。
结果：中斜角肌对臂丛的影响同样重要；
The middle scalene muscle may also influence the brachial plexus.
结果：术中探查见颈肋、前斜角肌、中斜角肌均有病理改变。
RESULTS: Pathological changes were found in cervical, anterior scalene muscle and middle scalene muscle.
结论：前、中斜角肌在颈椎横突前、后结节均有起点，该交叉起点可能是上干型胸廓出口综合征的主要原因。
Conclusion:Anterior and middle scalene muscles have starting points in transverse processes of cervical vertebra. Those decussating starting points are the main cause of thorax exit syndrome.
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