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The articular disk is a thin, oval plate, which is made from fibrous connective tissue, non vascular, placed between the condyle of the mandible and the mandibular fossa. Its ''upper surface'' is concavo-convex from before backward, to accommodate itself to the form of the mandibular fossa and the articular tubercle. Its ''under surface'', in contact with the condyle, is concave. Its circumference is connected to the articular capsule; and in front to the tendon of the Pterygoideus externus. It is thicker at its periphery, especially behind, than at its center. The fibers of which it is composed have a concentric arrangement, more apparent at the circumference than at the center. It divides the joint into two cavities, each of which is furnished with a synovial membrane. ==See also== * Articular disk * Temporomandibular joint#Capsule and articular disc 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Articular disk of the temporomandibular joint」の詳細全文を読む スポンサード リンク
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