chapter 7 Bone Tissue

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roper.jessica
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106992
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chapter 7 Bone Tissue
Updated:
2011-10-06 20:17:00
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bone tissue
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bone tissue definitions
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  1. Intramembranous
    produces flat bone of skull & clavicle
  2. 2 kinds of marrow
    yellow & red
  3. red marrow cavity
    • In child
    • *described as hemopoetic tissue (produces blood cells)
  4. osteon (harvesian system)
    structural unit of compact bone
  5. yellow bone marrow
    • in adults
    • *does not produce blood cells
  6. bone marrow
    soft tissue that occupies the marrow cavity of long bone
  7. with out proteing the bone is_____?
    • brittle
    • *brittle bnone diesease
  8. Protein componet gives bone___?
    flexibility
  9. Rickets
    softness of bones in kids
  10. osteomalacia
    softness of bones in adults
  11. Calcitriol
    • form of vitamin D
    • produced by skin. liver, kidneys
    • behaves as hormone
  12. Interstitial growth
    enlongaton by length
  13. appositional growth
    • wider
    • increase in diameter
  14. Medullary/marrow cavity contains _____?
    • *hints marrow cavity
    • bone marrow
  15. Medullary/ Marrow cavity
    • (compact bone)
    • shell enclosed in the medullary space
  16. Mineralization/ calcification
    hardening process
  17. Ligments
    • bones to bones
    • *holds bones together
  18. Tendons
    bones to muscles
  19. nutrient foramin
    • minute holes
    • *^where blood vessels penetrate into
  20. Periosteum
    bone covered with a sheath
  21. Diaphysis
    shafts of long bones
  22. Spongy bone (cancellous)
    loosely organized form of osseous tissue
  23. tetany
    inability of muscles to relax
  24. Solubility product
    critical value
  25. hypocalcemia
    to little calcium
  26. hypercalcemia
    to much calcium
  27. Epiphysis
    expanded head at each end
  28. articular cartilage
    layer of hyaline cartliage where bone meets bone
  29. lacunae
    tiny cavities interconnected by slender channels(canaliculi)
  30. compact bone (dense/lamellar)
    outer shell of dense white osseous tissue
  31. Diploe
    spongy layer in cranium
  32. Epiphyseal
    • in kids
    • seperates marrow spaces of epiphys and diaphysis
    • (growth plate)
  33. endosteum
    • layer of reticular tissue
    • lines internal marrow cavity
  34. Perforating (sharpey) fibers
    tendons that penetrate in bone matrix come as this
  35. concentriclamella
    layers of matrix arranged around central canal
  36. Perforating (Volkamann) canals
    transverse or diagnol passages that join central canals
  37. Central (haversian or osteonic) canal
    connected with concentric lamella by canaliculi
  38. Mineral deposition
    • Crystallization process
    • Calcium, phosphate and ions taken from blood plasma
  39. 6 roles skeleton plays
    (shon predicted many eclipses around birmingham)
    • support
    • protection
    • movement
    • electrolyte balance
    • acid-base balance
    • blood formation
  40. 4 types of bones
    • Osteogenic
    • Osteoblasts
    • Ostecytes
    • Ostoclasts
  41. 4 healing process stages
    • formation of hematoma & granulation tissue
    • formation of a soft callus
    • conversion to hard callus
    • remodeling
  42. 8 carpal bones
    • schapoid
    • lunate
    • triquetrum
    • pisiform
    • trapezium
    • trapezoid
    • capitate
    • hamate/hamulus
  43. Carpal bones in proximal row
    • scaphoid
    • lunate
    • triquetrum
    • pisiform
  44. capal bones in lateral row
    • trapezium
    • trapezoid
    • capitate
    • hamate/hamulus
  45. Matrix of osseous tissue is by?
    dry weight
  46. osteoclasts
    bone dissolving cells on bone surface
  47. oseocytes
    • reside in lacunae(tiny cavities)
    • osteoblasts that become trapped in matrix they deposit
  48. Osteoblasts
    bone forming cells
  49. Osteogenic cells
    stem cells
  50. osseous tissue
    connective tissue in matrix
  51. Endochondral ossification
    precided by hylaine cartilage replaced by osseous tissue
  52. Etopic ossification
    abnormal calcification of tissue
  53. Ossification
    • doesn't end birth
    • continues through life
    • meaning- growing of bones
  54. Long bones
    • Important in bodys movement
    • *limbs
  55. Short bones
    • equal in width and length
    • produce limited gliding movement
    • *wrists ankles
  56. Irregular bones
    dont fit into other categories
  57. Flat bones
    • thin curved plates
    • *most cranium bones

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