Skeletal System

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Author:
alyssau12
ID:
283788
Filename:
Skeletal System
Updated:
2014-09-23 23:18:16
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ANSC
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Description:
anatomy/physiology quiz 2/ test 2
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  1. osteology:
    study of bones
  2. type of tissue in bones:
    active connective tissue
  3. properties of bone:
    specialized cells called osteocytes
  4. function of bone:
    • locomotion
    • attachment site for muscles
    • aids in protection
    • manufactures blood cells
  5. compact bone:
    dense outer layer of bone
  6. cancellous bone:
    spongy, inner layer of bone
  7. medullary cavity:
    holds bone marrow
  8. epiphysis:
    end portion of bones that grows in length
  9. metaphysis:
    between epiphysis and diaphysis
  10. diaphysis:
    shaft of bone that grows in diameter
  11. epiphyseal cartilage:
    growth plate
  12. periosteum:
    fibrous covering of bone
  13. endosteum:
    inner layer of medullary cavity
  14. articular cartilage:
    covers bones where they touch other bones
  15. example of long bone:
    femur
  16. example of short bone:
    hock
  17. example of flat bones:
    • scapula
    • sternum
  18. example of sesamoid bones:
    • patella
    • sesamoids
  19. example of pneumatic bones:
    found in skull
  20. example of irregular bones:
    vertebrae
  21. main bones of axial skeleton:
    • skull
    • vertebral column
    • sternum
    • ribs
  22. neural cranium:
    covers the brain
  23. visceral cranium:
    covers the face
  24. types of vertebrae:
    • cervical
    • thoracic
    • lumbar
    • sacral
    • caudal
  25. main parts of appendicular skeleton:
    • thoracic limbs
    • pelvic limbs
    • pelvic bone
  26. tuberosity:
    attachment point
  27. major attachment site of muscles:
    • spine
    • pelvic bone
  28. beginning of locomotion:
    scapula
  29. driving force of motion:
    pelvic bone
  30. make up of bones:
    • 1/3 organic components
    • 2/3 inorganic compounds w/organic layers
  31. organic components of bone:
    • glycans
    • collagen fibers
  32. ossification:
    early portion of bone development
  33. calcification:
    laying down of the mineral (hardens bone)
  34. intramembranous ossification:
    • formation of bone from fibrous membranes
    • (flat bone formation)
  35. endochondral ossification:
    development of bone from replacing hyaline cartilage
  36. bone growth vs remodeling
    • growth: grows in length
    • remodeling: grows in diameter
  37. gonad hormones:
    estrogens and androgens
  38. factors that influence bone remodeling:
    • mechanical loading
    • hormonal regulation
  39. types of mechanical loading:
    • compression
    • tension
    • shear (torsion)

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