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Ellipsoid joint
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Ellipsoid joints, also known as condylar or condyloid joints, are one of the six types of synovial joints, the others being plane, pivot, hinge, saddle and ball and socket. Ellipsoid joints consist of of an oval, convex shaped condyle of one bone articulating with an elliptical, concave cavity of another bone.
Ellipsoid joints permit movement about two axes and are thus termed as biaxial synovial joints. Similar to saddle joints, they permit flexion and extension, abduction and adduction as well as circumduction, however the latter is more restricted in ellipsoid joints than in saddle joints. Examples of ellipsoid joints include the radiocarpal (wrist) joint, metacarpophalangeal joints and the atlanto-occipital joint.
| Terminology |
English: Ellipsoid joint Latin: Articulatio ellipsoidea |
| Calssification | Biaxial synovial joint |
| Function | Allows movement around two axes. Permits flexion-extension, abduction-adduction and circumduction movements. |
Learn more about synovial joints with this study unit (and article):
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