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The matrix that surrounds bone cells, primarily osteocytes, is composed of an organic component and an inorganic component. The organic matrix primarily consists of collagen fibers, which provide tensile strength and flexibility, along with various proteins and ground substances like proteoglycans. The inorganic matrix largely consists of hydroxyapatite, a crystalline structure made of calcium phosphate, which imparts rigidity and compressive strength to the bone. Together, these components create a robust framework that supports bone structure and function.
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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 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.
What is matrix in blood cell?
Typically when the word "matrix" is used in cytological or histological context it referes to the extracellular matrix, which is the area in a tissue not occupied by cells, or the area between cells.
What are bone cells found in the lacunae within the matrix called?
Bone cells found in the lacunae within the matrix are called osteocytes. They are responsible for maintaining the bone structure and communicating with other bone cells to regulate bone remodeling and repair.
What cells dissolve bone matrix?
osteclast
What is it called when the immature or matrix-depositing bone cells are referred to as?
The immature or matrix-depositing bone cells are referred to as osteoblasts. These cells are responsible for synthesizing and depositing bone matrix during the process of bone formation. Osteoblasts play a crucial role in mineralizing the bone tissue, contributing to the growth and repair of bones.
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.
What cell removes bone matrix?
Osteoclasts are the cells responsible for removing bone matrix during the process of bone remodeling. They break down the mineralized bone matrix by secreting acids and enzymes, allowing for new bone formation by osteoblasts.
Which type of cells have a thick mineral matrix in order to provide structural support?
Osteocytes, which are bone cells, have a thick mineral matrix composed primarily of calcium and phosphate crystals. This dense matrix provides structural support and strength to bone tissue.
What are the matrix rings of compact bone that surrounds the central canal of each osteon?
Concentric lamellae
What breaks down the calcified matrix and are replaced with bone-buildings?
The process that breaks down the calcified matrix is primarily carried out by cells called osteoclasts. These cells resorb bone tissue by dissolving the mineral components and degrading the organic matrix. Once the calcified matrix is broken down, it is replaced by bone-building cells known as osteoblasts, which synthesize new bone matrix and facilitate bone formation. This dynamic process is essential for bone remodeling and maintenance.
What is the percentage of cells in the bone matrix?
Cells account for only 2% of the weight of a typical bone cell.
