PPT-BONE BONE and BLOOD Chapter- 5

The most amazing story of bone histology Dr Duran Kala Functions of Bone Supports soft tissue Protects vital organs cranium thoracic cavity Contains bone marrow Reservoir of Ca PO 4 to maintain constant concentrations in body fluids. Bones, . Ligaments,. Cartilage. FUNCTIONS OF skeletal tissues. SUPPORT. : . B. o. nes. form the . FRAMEWORK. of the body and contribute to the shape, alignment, and positioning of body parts;. portion of a bone. The radio- graphic appearance of living bone is the same as that of dead bone ofEgyptian mummies or prehistoric skeletons. Consequently, bone necrosis has no specific radiographic a Ossification . Vocab. Osteogenic. (. osteoprogenitor. ) cells. . -go through cell division, develop into . osteoblasts. ; found in . endosteum. and inner portion of . periosteum. . -assist in fracture repair. Objective. : . To learn the structure and function of the Skeletal . System. © 2014 Getting Nerdy, LLC. Bone. : . a type of connective tissue that makes up the endoskeleton of vertebrates. . Composed of four types of cells. The . diaphysis. is the shaft or . body of a long bone.. The . epiphyses. form the distal . and proximal ends of a . long bone.. The . metaphyses. are the areas . where the epiphyses and . diaphysis join.. and more. skeleton. made up of. bones – cartilage – ligaments – tendons. bones . are a major part of the skeleton and . provide. support. – organs, teeth, viscera. protection. – brain, CNS, marrow, viscera. Lab Activity 7. Divisions of skeletal system. Axial skeleton. : in the vertical axis of the body. Consists of the skull, hyoid bone, vertebral column ribs and sternum.. Appendicular skeleton. : skeleton attached to the axial skeleton. Body tissues are divided into 4 categories:. Connective. Nerve . Muscle. Epithelial. 1. Connective Tissue. -Functions: Connect, support, transportation (blood), defense, and storage (fat). -cells are surrounded by some type of non-living matrix. Signs and symptoms. pain. swelling. bruising. discolored skin around the affected area. angulations – the affected area may be bent at an unusual angle. the patient is unable to put weight on the injured area. By Josephine Abraham, Dev Abraham . Calcium Homeostasis. Serum calcium maintained at a constant level. Cellular & tissue effects of calcium depend on blood calcium maintenance within a specific range.. including the sacrum. The appendicular region includes the bones of the upper and lower limbs, shoulder and pelvic regions, hands, and feet. The next few pages will illustrate the bones of the crania . Alaraji. B.D.S.F.I.B.M.S. These are grossly divided into; disorders of the red blood cells RBCs (erythrocytes) and disorders of the white blood cells WBCs.. Disorders of the RBCs. Anemia . Anemia, which is defined as a reduction in the oxygen carrying capacity of the blood, is usually associated with a decreased number of circulating RBCs or an abnormality in the . Osteitis. . is . a . localized inflammation of bone with no progression through the marrow spaces. particularly that associated with infected . sockets.. . Osteomyelitis. is a more extensive inflammation of the interior of the bone involving and typically spreading through the marrow spaces. . The extra cells cause the blood to be thicker, and this, in turn, increases the risk of other health issues, such as blood clots.. TYPES . Primary polycythemia. Secondary polycythemia. Primary polycythemia is also called polycythemia vera (PV)..