suprasternal

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.

得出上间隙应是由颈深筋膜浅层和肌筋膜围成，而不同以往教科书中述的由颈深筋膜浅层分为两层附着形成。