A) Volkmann’s canals B) a bony matrix with hyaline cartilage C) perforating (Sharpey’s) fibers D) the struts of bone known as spicules is the bone cell responsible for forming new bone and is found in the growing portions of bone, including the periosteum and endosteum. Inner layer. These bone cells are Osteoclasts, Osteoblasts, and Osteocytes. A) cartilage and compact bone B) marrow and osteons C) chondrocytes and osteocytes D) osteoblasts and osteoclasts It contains osteoprogenitor cells (mesenchymal stem cells), which become osteoblasts for the formation of new bone material. Periosteum, dense fibrous membrane covering the surfaces of bones, consisting of an outer fibrous layer and an inner cellular layer (cambium).The outer layer is composed mostly of collagen and contains nerve fibres that cause pain when the tissue is damaged. The inner (osteogenic) layer consists primarily of _____. Osteoclasts develop from a … Also in the periosteum contains osteoblasts and osteoclasts. In the very center of the tubular bone is … From hormones production to the provision of mechanical strength, the bone cells possess miraculous properties and functions fundamental to the normal bone functioning. Technically speaking the cellular (inner) layer of the periosteum contains osteprogenitor cells which differenciate exclusively in to osteoblasts, and if necessary fibroblasts and chondrogenic cells. C) osteoblasts and osteoclasts D) chondrocytes and osteocytes. When osteoblasts get trapped within the calcified matrix, they become osteocytes. These bone cells are embedded in the matrix of bony tissue and perform many vital functions. The periosteum is the outer layer of bone, or the the covering. In fact, once the perichondrium becomes vascularized with blood supply, it becomes the periosteum. Tendons and ligaments attach to bones at the periosteum. To prevent the bone from becoming unnecessarily thick, osteoclasts resorb the bone from the endosteal side. Under the nakostnitsa lies a layer of outer master plates. Here, the periosteum is formed from the perichondrium. The periosteum also contains blood vessels, nerves, and lymphatic vessels that nourish compact bone. The inner layer of the periosteum is also referred to as the cambrium. It is called the periosteum, or the periosteal surface. 1. increases osteoclasts activity and Calcium resorption 2. stimulates kidneys to retain Ca and not eliminate is through urine 3. stimulates production of calcitrol, which enhances the absorption of calcium The bone is covered with a periosteum containing cambial cells, due to which the bone grows in thickness. The periosteum is secured to the underlying bone by dense connective tissue called _____. C) osteoblasts and osteoclasts. Four types of cells are found within bone tissue: osteoblasts, osteocytes, osteogenic cells, and osteoclasts (Figure 5). 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