The separation of two articulated structures at their joint parts.
The amputation of a limb at a joint, which does not involve dividing a bone.
Separation of two bones at a joint This may be the result of an injury or it may be done by the surgeon at operation in the course of amputation; for example of a limb, finger, or toe.
The amputation of a bone by cutting through the joint of which the bone forms a part.
The surgical removal of a limb by cutting through a joint.