Dictionary > Ball-and-socket joint

Ball-and-socket joint

Definition
noun
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).
Supplement
Examples of this form of articulation are found in the arm, hip and shoulder providing swing for arms and legs in various directions.
Synonyms:

  • enarthrosis
  • spheroid or spheroidal joint
  • spheroid articulation
  • articulatio spheroidea
  • articulatio cotylica
  • cotyloid joint
  • enarthrodial joint
  • socket joint


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