spheroid joint
英 [ˈsfɪərɔɪd dʒɔɪnt]
美 [ˈsfɪrɔɪd dʒɔɪnt]
球窝关节，杵臼关节
英英释义
noun
- a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone
Synonym: ball-and-socket jointcotyloid jointenarthrodial jointenarthrosisarticulatio spheroidea