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23 paź 2022 · Bone, or osseous tissue, is a hard, dense connective tissue that forms most of the adult skeleton, the support structure of the body. In the areas of the skeleton where bones move (for example, the ribcage and joints), cartilage, a semi-rigid form of connective tissue, provides flexibility and smooth surfaces for movement.
Bone is a mineralized connective tissue that exhibits four types of cells: osteoblasts, bone lining cells, osteocytes, and osteoclasts [1, 2]. Bone exerts important functions in the body, such as locomotion, support and protection of soft tissues, calcium and phosphate storage, and harboring of bone marrow [3, 4].
Bone tissue (osseous tissue) differs greatly from other tissues in the body. Bone is hard and many of its functions depend on that characteristic hardness. Later discussions in this chapter will show that bone is also dynamic in that its shape adjusts to accommodate stresses.
1 maj 2023 · As a specialized connective tissue, bone is comprised of mainly type 1 collagen fibers and inorganic salts. Type 1 collagen is a non-calcified matrix designed to resist the tension experienced by the weight-bearing functions of bone. It forms from osteoblasts, the main cellular component of bone.
21 kwi 2024 · From a histological perspective, bones are highly specialized connective tissues that can remodel based on exogenous demand. The cell primarily responsible for building bones is the osteoblast, which secretes a collagen-rich fluid known as osteoid.
Identify the anatomical features of a bone; Define and list examples of bone markings; Describe the histology of bone tissue; Compare and contrast compact and spongy bone; Identify the structures that compose compact and spongy bone; Describe how bones are nourished and innervated
Osteoblasts are bone-forming cell, osteoclasts resorb or break down bone, and osteocytes are mature bone cells. An equilibrium between osteoblasts and osteoclasts maintains bone tissue. Compact bone consists of closely packed osteons or haversian systems.
