Bone matrix
Bone Matrix
The Bone Matrix (pronunciation: /boʊn ˈmeɪtrɪks/) is the extracellular substance of Bone tissue, which provides support and rigidity to the bone. It is primarily composed of Organic compounds and Inorganic compounds.
Etymology
The term "Bone Matrix" is derived from the Latin word 'os', meaning bone, and the Latin word 'matrix', meaning womb or origin.
Composition
The Bone Matrix is composed of two main types of substances:
- Organic compounds: These include Collagen fibers and Proteoglycans, which provide the bone with tensile strength and flexibility.
- Inorganic compounds: These primarily include Hydroxyapatite crystals, which provide the bone with hardness and rigidity.
Function
The Bone Matrix serves several important functions:
- Support: It provides structural support to the body, enabling movement and protection of vital organs.
- Mineral storage: It serves as a reservoir for important minerals, such as Calcium and Phosphorus, which can be released into the bloodstream as needed.
- Hematopoiesis: The Bone Matrix houses the Bone marrow, where Blood cell production, or hematopoiesis, occurs.
Related Terms
- Osteoblasts: These are the cells that produce the Bone Matrix.
- Osteoclasts: These are the cells that break down the Bone Matrix, a process known as bone resorption.
- Osteocytes: These are mature bone cells, which maintain the Bone Matrix.
- Bone remodeling: This is the process by which old bone is replaced with new bone, involving both bone formation by osteoblasts and bone resorption by osteoclasts.
External links
- Medical encyclopedia article on Bone matrix
- Wikipedia's article - Bone matrix
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