adhesions - abnormal bands of tissue that grow between joint surfaces, restricting motion.
allodynia - pain due to a stimulus that does not normally provoke pain.
analgesia - absence of pain in response to stimulation that would normally be painful.
antibody - a special protein produced by the body's immune system that recognizes and helps fight infectious agents and other foreign substances that invade the body.
arthralgia - pain in a joint, usually due to arthritis or arthropathy.
arthritis - inflammation of a joint, usually accompanied by pain, swelling, and sometimes change in structure.
arthroplasty - total joint replacement.
arthroscopy - a minimally-invasive diagnostic and treatment procedure used for conditions of a joint. This procedure uses a small, lighted, optic tube (arthroscope) which is inserted into the joint through a small incision in the joint. Images of the inside of the joint are projected onto a screen; used to evaluate any degenerative and/or arthritic changes in the joint; to detect bone diseases and tumors; to determine the cause of bone pain and inflammation.
atrophy - wasting away of a body part or tissue.