Bone.pdf

Histology of the Bone Dr.Abdulhussain Sahib  OBJECTIVES a. Important features. b. Composition. c. Its types of bone and covering. d. Its cells and their function.  Bone is a specialized connective tissue , has a rich vascular supply composed...

Histology of the Bone Dr.Abdulhussain Sahib  OBJECTIVES a. Important features. b. Composition. c. Its types of bone and covering. d. Its cells and their function.  Bone is a specialized connective tissue , has a rich vascular supply composed of calci7ed extracellular material, the bone matrix, and following three major cell types : 1.Osteocytes 2.Osteoblasts 3.Osteoclasts Function of the bone: Support the body. Protect many internal organs. Act as the body’s Ca2+ reservoir.  Osteoblasts Osteoblasts Originating from mesenchymal stem cells. Osteoblasts produce the organic components of bone matrix, including: Type I collagen