The pars transversa provides lateral wall rigidity and can even be a dilatory muscle. 鼻肌橫部提供外側壁硬度，甚至做為擴張肌。
Its distal aponeurosis blends with the pars transversa of the nasalis muscle to form the superficial musculoaponeurotic system of the nose. 其遠端腱膜與鼻肌橫部混合形成鼻表淺肌肉腱膜系統。
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