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A simple complete joint, one type of movable articulation. The synovial membrane is represented by dotted lines. They have a secreting membrane placed between their opposing surfaces, which keeps them well lubricated and capable of free movement one upon the other.

A Simple Complete Joint

A simple complete joint, one type of movable articulation. The synovial membrane is represented by dotted…

A mixed articulation (slightly movable). In this form, the bony surfaces are usually joined together by broad, flattened disks of fibro-cartilage, as in the articulations between the bodies of the vertebrae. Labels: a, b, disk of fibro-cartilage; c, articular cartilage; d, bone.

Human Joint, Mixed Articulation

A mixed articulation (slightly movable). In this form, the bony surfaces are usually joined together…