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Discuss the composition of bone matrix and how this translates into the physical characteristics associated with bone?
the composition of bone matrix is 1/3 organic and 2/3 inorganic matter. The organic matter, synthesized by the osteoblasts (bone-forming cells), is collagen and proteins like glycosaminoglycan, proteoglycan, and glycoprotiens. the inorganic matter is mostly crystallized calcium phosphate salts and calcium carbonate, and a few other minerals. bone matrix is a composite which means it has characteristics of of the hard, strong inorganic matter and some flexibility and give from the collagen.
What is the substance that gives bones their strength and color?
CalciumThe mineralized osseous tissue, also called bone tissue, gives it rigidity and a honeycomb-like three-dimensional internal structure.The majority of bone is made of the bone matrix. It has inorganic and organic parts. Bone is formed by the hardening of this matrix entrapping the cells.The inorganic composition of bone (bone mineral) is formed from carbonated hydroxyapatite (Ca10(PO4)6(OH)2)The organic part of matrix is mainly composed of Type I collagen.
What are the cells that produce organic matrix in bone?
The cells that produce the collagen and inorganic salts of bone matrix are osteocytes. Osteocytes maintain the protein and mineral content of the bone matrix. Osteogenesis is the production of new bone matrix.
How the matrix differs among different types of connective tissue?
The extracellular matrix composition can vary among different types of connective tissue. For example, cartilage has a matrix rich in proteoglycans, while bone has a matrix that contains predominantly collagen fibers and mineral salts. In addition, the arrangement and density of fibers in the matrix also vary, influencing the tissue's mechanical properties.
What are immature or matrix-depositing bone cells?
Immature or matrix-depositing bone cells are osteoblasts. These cells are responsible for bone formation by secreting collagen and other proteins that make up the bone matrix. Osteoblasts play a crucial role in bone growth and remodeling.
What is the organic component of the matrix in developing or repairing bone?
The organic component of the bone matrix is primarily made up of collagen fibers, which provide flexibility and strength to the bone. Collagen is produced by bone cells called osteoblasts and helps in bone formation and repair processes.
Bone matrix is produced by?
osteoblasts
What are bones cells that liquefy bone matrix and release calcium to the blood called?
Bone cells that liquefy the bone matrix and release calcium into the blood are called Osteoclasts. Immature or matrix depositing bone cells are called osteoblasts.
Why bone is strong under tension?
Bone is strong under tension due to its composition of collagen fibers, which provide flexibility and resistance to stretching, and mineralized bone matrix, mainly made of calcium and phosphorus, which give it hardness and strength. This combination allows bone to withstand tension without breaking easily.
What is the process of tearing down and rebuilding bone matrix is called?
The ongoing process of tearing down and rebuilding bone matrix is called osteoclasts.
What is the primary mineral found in bone matrix?
The primary mineral found in bone matrix is hydroxyapatite, a crystalline form of calcium phosphate. It gives bone its strength and rigidity by providing a framework for bone structure.
Is the bone matrix non living?
The matrix of the bone (calcified hydroxyapatite) is non-living; the living part of the bone are the cells (osteoblasts, osteocytes, osteoclasts) and the periosteum, a tough membrane that covers the bone and allows tendons and ligaments to attach to the bone.
