Chapter 5 The Skeletal System Vocabulary

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Across
  1. 8. confined to cavities in the spongy bone of flat bones and the epiphysis of some long bones
  2. 9. an immovable joint
  3. 10. flattened fibrous sacs lined with synovial membrane and containing a thin film go synovial fluid
  4. 12. joints in which the articulating bones ends are separated by a joint cavity containing synovial fluid
  5. 15. abnormal lateral curvature of the spine
  6. 16. process of bone formation
  7. 18. blood cell formation
  8. 21. ragged break occurs when excessive twisting forces are applied to a bone
  9. 26. broken bone portion is pressed inward
  10. 28. essential if bones are to retain normal proportions and strength during long-bone growth as the body increases in size and weight
  11. 29. thin, flattened, and usually curved
  12. 30. happens when a bone is forced out of its normal position in the joint cavity
  13. 32. bones that don't fit any of the other bone categories
  14. 34. the realignment of the broken bone ends
  15. 35. bumps, holes, and ridges. reveals where muscles, tendons, and ligaments were attached and where blood vessels and nerves passed
  16. 37. bone is crushed
  17. 38. hold the eyes in an anterior position and allow the facial muscles to show our feelings through smiles or frowns
  18. 40. the bones of the limbs and girdles that are "appendicular" to the skeleton
  19. 44. bone forming cells
  20. 45. freely movable joints
  21. 47. arranged in concentric circles called lamellae
  22. 48. cover the external surface
  23. 49. has no body
  24. 52. the ends of the long bone
  25. 54. secures the periosteum to the underlying bone
  26. 56. the spherical head of one bone fits into a round socket in another
  27. 57. generally cube-shaped and contain mostly spongy bone
  28. 58. fibrous connective tissue membrane that cover and protects the diaphysis
  29. 59. the bones are united by fibrous tissue
  30. 60. the bones that form the longitudinal axis of the body
  31. 61. contains lamellae around it
  32. 63. the mature bone cells, are found in the matrix in tiny cavities called lacunae
  33. 64. bone breaks incompletely, much in the way a green twig breaks
  34. 65. fibrous membranes connecting the cranial bones
  35. 66. the cylindrical end of one bone fits into a trough-shaped surface on another bone
  36. 67. adipose (fat) tissue
  37. 68. encloses and protects the fragile brain tissue
Down
  1. 1. the rounded end of one bone fits into a sleeve or ring of bone
  2. 2. excessive outward curvature of the spine, causing hunching of the back
  3. 3. acts as a pivot for the rotations of the atlas
  4. 4. or shaft, makes up most of the bone's length and is composed of compact bone
  5. 5. drying of the discs, alone with a wearing of the ligaments of the vertebral column
  6. 6. the articular surfaces are essentially flat, and only short slipping or gliding movements are allowed
  7. 7. typically longer than they are wide
  8. 11. allows movement around one axis only
  9. 13. a flat plate of hyaline cartilage
  10. 14. movement occurs around two axes
  11. 17. broken bone ends are pushed into each other
  12. 19. tiny canals, radiate outward from the central canals to all lacunae
  13. 20. cushion the vertebrae and absorb shocks while allowing the spine flexibility
  14. 22. the egg-shaped articular surface of one bone fits into an oval concavity in another
  15. 23. in adults, the cavity of the shaft is primarily a storage area for adipose tissue
  16. 24. the sites where two or more bones meet
  17. 25. each articular surface has both convex and concave areas, like a saddle
  18. 27. allows movement in all axes, including rotation, and are the most freely moving synovial joints
  19. 31. run in the compact bone at right angels to the shaft
  20. 33. the curvatures in the cervical and lumbar regions
  21. 36. the most common form of arthritis, is a chronic degenerative condition that typically affects the aged
  22. 39. giant bone-destroying cells in bones
  23. 41. excessive inward curvature of the spine
  24. 42. the bone ends are connected by fibrocartilage
  25. 43. composed of small needle like pieces of bone and lots of open space
  26. 46. concentric circles around central canals
  27. 50. slightly movable joints
  28. 51. bone breaks into many fragments
  29. 53. the spinal curvatures in the thoracic and sacral regions
  30. 55. dense and looks smooth and homogenous
  31. 61. blood-filled swelling
  32. 62. gliding does not involve rotation around any axis