We have obseroed and measured the mandibular fosse, head of mandible, articular disc and articular capsule of temporomandibular joint on209 adult specimen, The anatomical basis of movement and click in temporomandibular joint was discussed.

• 本文在209具成年标本上对颞下颌关节的下颌窝、下颌头、节盘及关节囊进行了观测；对颞下颌关节的运动及弹响机制进行了讨论。