Bone physiology

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BokaliMali
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233306
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Bone physiology
Updated:
2013-09-09 21:49:53
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bones anatomy OVCMT
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Kuntzman and Tortora; Anatomy and Physiology for the Manual Therapies, chapter 6, pages 136-140
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  1. Functions of Bones
    • Support
    • Protection
    • Movement
    • Mineral homeostasis
    • Hemopoeisis
    • Triglyceride storage
  2. Parts of a long bone
    • Diaphysis
    • Epiphysis
    • Metaphysis
    • Articular Cartilage
    • Periosteum
    • Medullary Cavity
    • Endosteum
  3. Shaft of a bone
    Diaphysis
  4. Distal and proximal ends of a bone
    Epiphysis
  5. Where the diaphysis meets the epiphysis, home to an epiphyseal plate in growing bones and an epiphyseal line in mature bones.
    Metaphysis
  6. Layer of Hyaline cartilage where a bone articulates with another bone
    Articular Cartilage
  7. Diaphysis
    Shaft of a bone
  8. Epiphysis
    Distal and proximal ends of a bone
  9. Metaphysis
    Where the diaphysis meets the epiphysis, home to an epiphyseal plate in growing bones and an epiphyseal line in mature bones.
  10. Articular Cartilage
    Layer of Hyaline cartilage where a bone articulates with another bone
  11. Dense, irregular connective tissue that surrounds the bone surface wherever it is not covered by articular cartilage
    Attached to the underlying bone through perforating fibers.
    periosteum
  12. periosteum
    Dense, irregular connective tissue that surrounds the bone surface wherever it is not covered by articular cartilage. Attached to the underlying bone through perforating fibers.
  13. perforating fibers
    attaches the periosteum to the underlying bone
  14. Space within the diaphysis that contains yellow marrow
    medullary cavity
  15. medullary cavity
    Space within the diaphysis that contains yellow marrow
  16. A thin membrane that lines the medullary cavity
    endosteum
  17. endosteum
    A thin membrane that lines the medullary cavity
  18. Osteogenic cells
    unspecialized stem cells that develop into osteoblasts
  19. Osteoblasts
    • Synthesize and secrete the collagen fibres and other organic components needed to create a bone's cellular matrix.
    • Eventually become osteocytes.
  20. Osteocytes
    • The main cells in bone tissue.
    • Maintains the bone's daily metabolism
  21. Osteoclasts
    • huge cells concentrated in the endosteum
    • releases powerful lysosomal enzymes and acids that digest the protein and mineral components of the underlying extracellular matrix resulting in resorption
  22. The act of breaking down the extracellular matrix of a bone.
    Performed by osteoclasts
    resorption
  23. The strongest form of Bone tissue
    Makes up the bulk of the diaphysis
    Provides protection and support
    Compact bone tissue
  24. Compact bone tissue
    • The strongest form of Bone tissue
    • Makes up the bulk of the diaphysis
    • Provides protection and support
  25. Blood vessels, lymphatic vessels and nerves from the periosteum penetrate compact bone tissue through:
    perforating canals
  26. perforating canals
    Blood vessels, lymphatic vessels and nerves from the periosteum penetrate compact bone tissue through:
  27. Rings of calcified extracellular matrix surrounding the central canal
    concentric lamellae
  28. concentric lamellae
    Rings of calcified extracellular matrix surrounding the central canal
  29. A tubelike cylinder consisting of a central canal with it's concentrically arranged lamellae, lacunae, osteocytes and canaliculi.

    Aligned along same directions as lines of stress in compact bone.
    Osteon
  30. Osteon
    • A tubelike cylinder consisting of a central canalwith it's concentrically arranged lamellae, lacunae, osteocytes and canaliculi.
    • Aligned along same directions as lines of stress in compact bone.
  31. Makes up most of the bone tissue of short, flat and irregular bones.

    Forms most of the epiphysis of long bones
    Spongy bone
  32. Spongy bone
    • Makes up most of the bone tissue of short, flatand irregular bones.
    • Forms most of the epiphysis of long bones
  33. Lamellae arranged in an irregular lattice of thin columns.
    what spongy bone is made of.
    trabeculae
  34. trabeculae
    Lamellae arranged in an irregular lattice of thin columns.what spongy bone is made of
  35. Two differences between spongy bone and compact bone tissue.
    • 1. Spongy bone is is light, allowing the entire bone to move more readily when pulled by a skeletal muscle
    • 2. The trabeculae of spongy bone support and protect red bone marrow.
  36. Where hemopoeis occurs
    red bone marrow
  37. Where triglyceride is stored
    yellow bone marrow
  38. Types of bones
    • long
    • short
    • flat
    • irregular
    • sesamoid
    • sutural
    • wormian

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