fasciae

It is found the suprasternal space should be enclosed by the superficial layer of the deep cervical fasciae and the fasciae of the infrahyoid muscles, rather than the past opinion of the textbook.

得出胸骨上间隙颈深筋膜浅层舌骨下肌筋膜围成，而不同于以往教科书中描述的颈深筋膜浅层分为两层附着于胸骨形成。

Results The deep cervical fascia was divided into four layers with the fasciae of the infrahyoid muscles being a single layer.

颈深筋膜深层分为翼筋膜筋膜;