Bone remodeling
Bone Remodeling
Bone remodeling (pronunciation: /boʊn riːˈmɒdəlɪŋ/) is a lifelong process where mature bone tissue is removed from the skeleton (a process called bone resorption) and new bone tissue is formed (a process called ossification or new bone formation). These processes also control the reshaping or replacement of bone following injuries like fractures but also micro-damage, which occurs during normal activity.
Etymology
The term "bone remodeling" is derived from the Latin "os" meaning bone and the French "modeler" meaning to model or shape.
Process
Bone remodeling involves the actions of two types of cells: Osteoclasts and Osteoblasts. Osteoclasts are cells that resorb (break down) bone, while osteoblasts are cells that form new bone. These two cell types work together in the complex process of bone remodeling, which is crucial for maintaining the structural integrity of the skeleton.
Related Terms
- Osteoclasts: A type of bone cell that breaks down bone tissue. This function is critical in the maintenance, repair, and remodelling of bones in the adult skeleton.
- Osteoblasts: The cells responsible for the formation of new bone. They are essential in the process of bone remodeling.
- Ossification: The process of laying down new bone material by cells called osteoblasts.
- Bone Resorption: The process by which osteoclasts break down the tissue in bones and release the minerals, resulting in a transfer of calcium from bone tissue to the blood.
See Also
External links
- Medical encyclopedia article on Bone remodeling
- Wikipedia's article - Bone remodeling
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