| osteoponin | A protein produced by osteoblasts of unknown function. (05 Mar 2000) |
|---|---|
| osteopontin | <protein> Bone specific sialoprotein (57 kD: probably two similar peptides) that links cells and the hydroxyapatite of mineralised matrix, has RGD sequence. Found only in calcified bone, probably produced by osteoblasts. (18 Nov 1997) |
| osteoporosis | <pathology> A reduction in the amount of bone mass, leading to fractures after minimal trauma. Origin: Gr. Poros = passage (18 Nov 1997) |
| osteoporosis, postmenopausal | Metabolic disorder associated with fractures of the femoral neck, vertebrae, and distal forearm. It occurs commonly in women within 15-20 years after menopause, and is caused by factors associated with menopause including oestrogen deficiency. (12 Dec 1998) |
| osteoporotic | Pertaining to, characterised by, or causing a porous condition of the bones. (05 Mar 2000) |
| osteoporotic marrow defect | Focal osteoporotic bone marrow defect of the jaw; a focal radiolucent defect composed of normal marrow. (05 Mar 2000) |
| osteoprogenitor cell | A mesenchymal cell that differentiates into an osteoblast. Synonym: preosteoblast. (05 Mar 2000) |
| osteopterygious | <zoology> Having bones in the fins, as certain fishes. Origin: Osteo- Gr. A fin. Source: Websters Dictionary (01 Mar 1998) |
| osteoradiologist | A physician who specialises in radiology of the bones and joints. Origin: osteo-+ radiologist (05 Mar 2000) |
| osteoradiology | The clinical subspecialty of diagnostic bone radiology. (05 Mar 2000) |
| osteoradionecrosis | Necrosis of bone following radiation injury. (12 Dec 1998) |
| osteorrhaphy | Wiring together the fragments of a broken bone. Synonym: osteosuture. Origin: osteo-+ G. Rhaphe, suture (05 Mar 2000) |
| osteosarcoma | <oncology, tumour> Malignant tumour of bone (probably neoplasia of osteocytes). (18 Nov 1997) |
| osteosarcoma, juxtacortical | A form of osteogenic sarcoma of relatively low malignancy, probably arising from the periosteum and initially involving cortical bone and adjacent connective tissue. It occurs in middle-aged as well as young adults and most commonly affects the lower part of the femoral shaft. (12 Dec 1998) |
| osteosclerosis | The hardening or abnormal density of bone, as in eburnation and condensing osteitis. (12 Dec 1998) |