Mature living bone cells are called

Definition through the kidneys excreting more or less water from the blood. An example is very evident in tennis players, in whom the bone of the racket arm are more robust than those of the other arm. Some of the osteoblasts turn into osteocytes while the new bone is being formed, and the osteocytes then get surrounded by new bone. Its principle function is to raise the blood calcium concentration. There are three special types of cells that are found only in the bone. Also known as osteogenesis. Definition carbon dioxide levels in the blood going to the brain Term Most oxygen going to your body cells is carried in the blood how?

Sign up to view the full version. Intramembranous ossification mainly occurs during formation of the flat bones of the skull but also the mandible, maxilla, and clavicles; the bone is formed from connective tissue such as mesenchyme tissue rather than from cartilage. These crystals deposit around the collagen fibers in the extracellular matrix, leading to hardening of the matrix. Osteocytes maintain the bone matrix and detect mechanical stress on a bone. Its matrix is mostly made up of a composite material incorporating the inorganic mineral calcium phosphate in the chemical arrangement termed calcium hydroxylapatite this is the bone mineral that gives bones their rigidity and collagen , an elastic protein which improves fracture resistance. The calcified trabeculae and intertrabecular spaces are composed of spongy bone.

Around the strands calcium and phosphate precipitate on the surface of these strands, within a days to weeks becoming crystals of hydroxyapatite. They probably break down bone matrix by release of lysosomal proteases. Spongy Bone - also called cancellous or trabecular bone. In general, long bones are said to have a "head", "neck", and "body".