infrahyoid

The nerves of the infrahyoid neuro-muscular pedicle are mainly derived from the superior root of the ansa cervicalis.

舌骨肌群神经肌蒂的神经主要来自袢上根。

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.

得出胸骨上间隙应是筋膜浅层和舌骨肌筋膜围成，而不往教科书中描述的筋膜浅层分为两层附着胸骨形成。