Chapter 6 - Bones

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scb0568
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177950
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Chapter 6 - Bones
Updated:
2012-10-16 00:56:30
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Bone
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Bones
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  1. 5 Function of the bone
    • 1. Support/Shape
    • 2. Storage
    • 3. Blood Cell Production
    • 4. Protection 
    • 5. Leverage for Muscle
  2. 4 Bone Types
    • 1. Long Bone
    • 2. Short Bone
    • 3. Fat Bone
    • 4. Irregular
  3. 2 Structure of Long Bone
    • 1. Compact Bone
    • 2. Spongy Bone
  4. Example of long bone
    Femur, humerus, etc
  5. Ex. of short bone
    Carpals, Tarsals
  6. Ex. of Fat Bone
    Ribs, Sterum, Parieta
  7. Ex. of Irregular
    Coxae, Vertebrae, Scapula
  8. - Strongest type of bone found in the diaphysis of long bones
    - It is made up of OSTEONS! 
    Compact Bone
  9. - Weaker type of bone
    - Found in the epiphysis of long bones
    - RBM running through it.
    - Made up of bony plates called TRABECULAR.
    - NO OSTEONS!
    Spongy Bone
    • 1. Spongy Bone
    • 2. Compact Bone
    • 3. Medullary Cavity
    • 4. Epiphysis
    • 5. Diaphysis
    • 6. Epiphysis
    • 1. Articular Cartillage
    • 2. RBM
    • 3. FAT (Yellow Marrow)
    • 4. Periosteum
    • 5. Endosteum
  10. Remodeling of Bones
    Osteocytes
  11. 2 Type of osteocytes 
    • 1. Osteoblasts
    • 2. Osteoclasts
  12. * Cells that build bones
    - increase # in children/ babies
    - Calcitonin
    * decrease blood calsium level
    OsteoBlasts
  13. * Cells that break down bone
    - increase # in elderly/aging pop.
    - Calcitrol
    * increase Blood calsium levels
    OsteoClasts
  14. -Hormon that when expressed, 
    -Stimulates osteoBlasts to build bone.
    CalCitonin
  15. - Stimulates osteoClasts to break down bone,
    b/c the body is needing more blood calcium
    CalCitrol
  16. Basic functional unit of compact bone
    Osteon
    • 1. Osteon (Haversion System)
    • 2. Haversion Canal (Lartery Vein)
    • 3. Osteocytes
    • 4. Caniliculi
    • 5. Lacunae
  17. Cytoplasm processes of osteocytes seat onto from their lacunae to communicate w/ adjacent lacunae
    Caniliculi
  18. Connect adjacent Haversion Canals
    Volksman Canal (Performating Canal)
  19. The replacing of a cartilage model by bone in a fetus
    Endochondral Ossification
  20. Endo - 1
    Chondr - 2
    Al - plural

    Ossi - 3
    Fication - 4
    • 1. Inside
    • 2. Cartilage
    • 3. Bone
    • 4. Formation of
  21. 2 type of ossification
    • 1. Diaphysis
    • 2. Epiphysis
  22. Primary ossification center
    Diaphysis
  23. 2nd ossification center
    Diaphysis
  24. Process by which FLAT BONES are made from a cartilage model.
    Intramembranous Ossification
  25. Requirement to normal Bone Growth
    • Minerals
    • Vitamins
    • Hormones

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