The epiglottis is a leaf shaped cartilaginous structure located behind the hyoid bone and root of the tongue.
会厌是叶子形状的软骨结构位于舌头的舌骨和根。
2
But before, the change residence scope limited to the cheekbone thickness, is limited, only may apply after the mild root of the tongue gas channel narrow patient.
但前徙幅度限于颊骨厚度，非常有限，仅可应用于轻度舌根后气道狭窄的患者。
3
The root of the tongue is supplied by the lingual root artery (mean 2. 3 branches), palatal ascending artery and tonsillar artery;