Osteoblasts
Osteoblasts
Osteoblasts are the cuboidal cells responsible for synthesizing the organic components of the bone matrix, including collagen and proteins. They play a key role in bone formation and repair by producing and mineralizing the organic matrix that serves as the framework for bone tissue.
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.
Cells need to synthesize new organic components to grow, repair damaged tissue, and maintain homeostasis. These components include proteins, lipids, carbohydrates, and nucleic acids that are essential for various cellular functions and structures. Without the ability to synthesize new organic components, cells would not be able to function properly and would eventually die.
Hydroxyapatite is primarily secreted by osteoblasts, which are bone-forming cells. These cells synthesize and release the organic components of the bone matrix, including collagen, and facilitate the mineralization process that leads to the formation of hydroxyapatite crystals. This mineral is essential for providing strength and rigidity to bones and teeth.
an osteocyte is a bone cellan osteoblast is specific to the building/production of new boneOsteocytes are mature bone cells that maintains the bone matrix. Osteoblasts are immature bone cells that secrete organic components of matrix.
Osteoblasts
it is where blood cells are manufactured
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.
The suffix "-blast" indicates cells that produce the matrix of connective tissue. These cells are responsible for synthesizing and secreting the components that make up the extracellular matrix in connective tissues.
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.
The matrix of the bone is portion of specialized connective tissue composed of intercellular, is contain an organic and inorganic materials 1- The organic material: collagen ( type I) 2- The inorganic material: calcium phosphate