Hyoid Bone

(hi'oid-.) [Gr. hyo ides, from the letter v, and eidos, shape.] (Anat.) A very movable o eous arch, ofa parabolic shape, convex before,and suspended horizontally in the substance of the soft parts of the neck (Fig. 107), between the base of the tongue and the larynx. This bone, separated entirely from the rest of the skeleton, is composed of 5 distinct portions, susceptible of motion on each other. [s. 472]