Dictionary > Sellar joint

Sellar joint

Definition
noun
A synovial joint in which the opposing surfaces resemble the shape of a saddle and are reciprocally concave-convex, allowing movements such as back and forth, side to side, and up and down, but not rotation.
Supplement
Example is the carpometacarpal joint of the thumb.
Synonyms:

  • saddle joint
  • articulation by reciprocal reception


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