Cartilage is soft, flexible and avascular connective tissue. Since it is avascular tissue it usually derives nutrient from adjacent tissues or synovial fluid. Cartilage is usually present in joints, end of ribs, ear, nose, airways and between vertebrae. There are 3 types of cartilage: Hyaline cartilage: Hyaline cartilage is usually seen in weight-bearing joints….
There is continuous destruction or resorption and deposition of new bone or remodeling of bone. In fact, 40% of compact bone and 20% of spongy bone replaced every year. Osteoblasts help in new bone formation and osteoclasts remove old bone matrix. Osteocytes also help in the maintenance of bone matrix. Bone resorption and remodeling…
Bone is made up of mainly two types of components, that is organic components and inorganic components. Organic components : Organic components of bone is made up of protein which accounts for about 20% of the bone. There are 2 types of protein component: Collagen: Type I collagen accounts for about 90-95% of the…