Mandibular skeleton - Science

…In a broader sense, it refers to the complex of this structure and the skeleton of the lower jaw, and in the broadest sense, it refers to the entire skeleton including the skeleton of the hyoid bone and gills as well. The skull is also called the cranium (in anatomy, it is called 'tooth') and is commonly called the skull, but the cranium is the skull in the narrow sense and does not usually include the skeleton of the lower jaw. In comparative anatomical terms, it should be interpreted in the broadest sense, but here we will take the broadest sense and consider the skull to consist of the head and the skeleton of the lower jaw. …

*Some of the terms that refer to the "mandibular skeleton" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…広義にはこの構造と下あごの骨格との複合体を指し，さらに最も広義にはこれらのほか，舌骨やえらの骨格までも含めた全体的骨格を意味する。頭骨はまた頭蓋（ずがい）(cranium，解剖学では〈とうがい〉とよむ)ともいい，俗に頭蓋骨ともいうが，頭蓋は狭義の頭骨で，ふつうは下顎（かがく）骨格を含まない。比較解剖学的には本来最も広い意味に解すべきだが，ここでは広義にとり，頭骨は頭と下顎骨格とからなるものとしておく。…

※「下顎骨格」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報