a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone(n)
Synonyms: articulatio spheroidea
ball-and-socket joint
cotyloid joint
enarthrodial joint
enarthrosis
spheroid joint
Hyponyms: articulatio coxae
articulatio humeri
coxa
hip
hip joint
shoulder
shoulder joint
Hypernyms: articulatio synovialis
diarthrosis
synovial joint