Osteoarthritis
A type of arthritis caused by inflammation, breakdown, and eventual loss of cartilage in the joints. Also known as degenerative arthritis.
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- Osteoarthropathy
Any disease of the bones and joints. From osteo-, bone + -arthro-, joint, + pathy, disease.
- Osteoblast
A cell that makes bone. It does so by producing a matrix that then becomes mineralized. Bone mass is maintained by a balance between the activity of osteoblasts that form bone and other cells called osteoclasts that break it down.
- Osteoblastoma
A noncancerous tumor in bone tissue. Osteoblastomas are small and are seen most frequently in children and young adults. Symptoms include pain and bone-mass reduction. Treatment includes surgery, sometimes followed by chemotherapy.
- Osteochondritis dissecans
A condition in which a fragment of bone in a joint is deprived of blood and separates from the rest of the bone, causing soreness and making the joint give way. Diagnosis is made via X-ray. Treatment usually involves casting, although if the fragment has detached completely, arthroscopic surgery may be necessary. Abbreviated OCD and […]
- Osteochondroma
An abnormal, solitary, benign growth of bone and cartilage, typically at the end of a long bone. Osteochondromas are usually discovered in persons 15 to 25 years of age and are the most common benign bone tumor. An osteochondroma is typically detected when the area around it is injured or when it becomes large.