以下は「IMAOS」の解説文となる。
The neck of mandible is flattened from before backward, and strengthened by ridges which descend from the forepart and sides of the condyle. Its posterior surface is convex; its anterior presents a depression for the attachment of the Pterygoideus externus.
【 語 句 】
・ridge：隆起（線） ・condyle：関節突起？ ・convex：凸状の ・depression：くぼみ ・Pterygoideus externus：外側翼突筋
