The pars transversa provides lateral wall rigidity and can even be a dilatory muscle. 鼻肌横部提供外侧壁硬度，甚至做为扩张肌。
Its distal aponeurosis blends with the pars transversa of the nasalis muscle to form the superficial musculoaponeurotic system of the nose. 其远端腱膜与鼻肌横部混合形成鼻表浅肌肉腱膜系统。
