1 文書を見つけるための辞書。

• ball-and-socket joint, enarthrosis, cotyloid joint, articulatio spheroidea, spheroid joint, enarthrodial joint
• 臼状関節, 球関節
• a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone
• 骨の頭部の球面が、他の骨の丸い窩洞にぴったりと入り込む可動関節