Osteitis fibrosa cystica
A condition that is associated with excessive parathyroid hormone production (hyperparathyroidism), in which bone tissue becomes soft and deformed. Treatment is directed toward the underlying parathyroid condition and relieving any bone pain.
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- Osteo- (prefix)
Combining form meaning bone. From the Greek “osteon”, bone. Appears for instance in osteoarthritis, osteochondroma osteodystrophy, osteogenesis, osteomyelitis, osteopathy, osteopetrosis, osteoporosis, osteosarcoma, etc.
- Osteoarthritis
A type of arthritis caused by inflammation, breakdown, and eventual loss of cartilage in the joints. Also known as degenerative arthritis.
- 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.