Bone resorption
Bone Resorption
Bone resorption (pronunciation: /bəʊn rɪˈzɔːpʃən/) is a biological process that involves the breakdown and absorption of old bone tissue by osteoclasts, a type of bone cell. This process is integral to the maintenance, repair, and remodelling of bones in the body.
Etymology
The term 'bone resorption' is derived from the Latin words 'os' meaning 'bone' and 'resorbere' meaning 'to suck back'. It refers to the process where the bone tissue is 'sucked back' or absorbed into the body.
Process
Bone resorption begins when osteoclasts attach to the bone tissue and secrete enzymes and acids that break down the bone matrix. The dissolved minerals are then released into the bloodstream, while the organic components are broken down and reused by the body. This process is balanced by bone formation, where new bone tissue is created by osteoblasts.
Related Terms
- Osteoclast: A type of bone cell that breaks down bone tissue during bone resorption.
- Osteoblast: A type of bone cell that creates new bone tissue during bone formation.
- Bone Remodeling: The process by which old bone is replaced by new bone tissue.
- Bone Matrix: The intercellular substance of bone tissue, consisting of collagen fibers and a hardened ground substance.
See Also
- Bone Formation
- Bone Remodeling
- Osteoporosis: A condition characterized by a decrease in bone mass and density, leading to an increased risk of fracture.
External links
- Medical encyclopedia article on Bone resorption
- Wikipedia's article - Bone resorption
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