Anatomy - The bone has five main functions: 1. Support...

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The bone has five main functions: 1. Support That's about everything just covered above 2. Protection They keep organs away from damage, such as the rib cage and the skull. 3. Movement That's covered above, also. 4. Storage The bone stores fat and some minerals. 5. Blood cell formation The bone is the place that most of your blood components are made. Long Bone Components: Diaphysis- The shaft of a long bone. Epiphysis- The end regions of a long bone; regions of secondary ossification. Metaphysis- The region of a long bone lying between the epiphysis and diaphysis. Articular Cartilage- tough, rubbery tissue that forms the surface of bones within joints.
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Periosteum- The connective tissue covering a bone. Medullary Cavity- Marrow cavity; central cavity in long bone. Endosteum- tissue surrounding the medullary cavity of bone. Spongy Bone- Bone composed of meshwork of small, bony plates filled with red marrow. Compact Bone- Hard, dense bone, found in main shaft of long bones and outer layer of other bones. Bo Bone Development and Growth: Intramembranous- within a bone.
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Endochondral- Relating to bone formation that take place on a cartilage scaffold. Fractures: Spiral Fracture- a coiled break in a bone, resembling a corkscrew Compression Fracture- The collapse of a bone, most often a vertebra. Simple Fracture- when the bone is cracked and then separates. a fracture which does not break the skin
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Comminuted Fracture- when a bone breaks into two or more pieces Greenstick Fracture- when the bone suffers a crack to only one side, leaving it injured but intact. Specific dietary and nutrient recommendations for adolescents are needed in order to ensure optimal bone growth. Health Applications: Rickets- A childhood disease that affects the bones and is often caused by a deficiency of vitamin D. Osteomalacia- A softening of the bones as a result of a deficiency of vitamin D (Adult Rickets) Osteoporosis- A bone-thinning condition that can result in bone fracture. Osteomyelitis- bacterial infection of bone and bone marrow
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This note was uploaded on 06/30/2011 for the course BIOLOGY 4 taught by Professor Clarke during the Spring '11 term at Miramar College.

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Anatomy - The bone has five main functions: 1. Support...

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