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From Biology-Online Dictionary | Biology-Online Dictionary
A synovial joint in which the ball-shaped surface of one bone fits into the rounded cavity of the other, allowing movement in almost any direction (in a 360o angle).
Examples of this form of articulation are found in the arm, hip and shoulder providing swing for arms and legs in various directions.
- spheroid or spheroidal joint
- spheroid articulation
- articulatio spheroidea
- articulatio cotylica
- cotyloid joint
- enarthrodial joint
- ball-and-socket joint