The skeletal system

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LoriThomas
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95670
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The skeletal system
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2011-07-31 18:54:07
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Chapter6 skeletal system
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The skeletal system chapter6
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  1. There are _____ type of bones.
    4
  2. The _____ _____is the hollow area inside the diaphysis of a bone.
    Medullary cavity
  3. A thin layer of cartilage covering each epiphysis is the_______ _______.
    articular cartilage
  4. The ________ lines the medulla cavity of long bones.
    endosteum
  5. ____________ is used to describe the process of blood cell formation
    hematopoiesis
  6. Blood Cell formation is a vital process carried on in ___ ____ ______.
    red bone marrow
  7. The _________ is a strong fibrous membrane covering a long bone except at joint surfaces.
    periosteum
  8. Osteoporosis occurs most frequently in ____ ____ ____.
    eldery white females
  9. Bones serve as a safety-deposit box for _____, a vital substance required for normal nerve and muscle function.
    calcium
  10. As muscles contract and shorten, they pull on bones and thereby ____ them.
    move
  11. Needlelike threads of spongy bone
    Trabeculae
  12. Dense bone tissue
    compact
  13. Ends of long bones
    spongy
  14. outer covering of bone
    periosteum
  15. fibers embedded in a firm gel
    cartilage
  16. Bone cells
    osteocytes
  17. Connect lucunae
    canaliculi
  18. Ring of bone
    Lamellae
  19. Cartilage Cells
    chondrocytes
  20. Structural unit of compact bone
    Haversian system
  21. When the skeleton forms in a baby before birth it consists of _____ and _____ structures
    cartilage and fibrous
  22. The _____ are the ends of the bone.
    epiphysis
  23. Bone forming cells are known as ______.
    Osteoblasts
  24. It is the combined action of ______and ______ that sculpts bones into their adult shapes.
    osteoblasts and osteoclasts
  25. The stresses placed on certain bones during exercise ______ the rate of bone deposition.
    increases
  26. The epiphyseal plate can be seen in both external and cutaway views of ______ long bones
    Juvenile
  27. The shaft of a long bone is known as the _______
    Diaphyses
  28. _______ in the newborn becomes bone, when it is replaced with calcified bone matrix deposited by osteoblasts.
    cartilage
  29. When epiphyseal cartilage becomes bone, growth ______.
    ceases
  30. The ______ ______ is visible, if present, on x-ray films.
    Epiphyseal cartilage
  31. What are the main part of the long bone
    There are 6
    • Diaphysis-- shaft
    • Medullary cavity= the hollow are inside the diaphysis
    • epiphyses= the ends of the bone
    • articular cartilage = a thin layer of cartilage covering each epiphyses
    • periosteum=a strong fibrous membrane covering a long boneeverywhere except at joint surfaces.
    • endosteum= a thin membrane that lines the medulla cavity
  32. what makes up the axial skeleton
    • cranial nerves
    • vertebra
    • ribs
    • sternum
  33. what bones are considered cranial bones
    • frontal
    • parietal
    • occipital
    • sphenoid
  34. ___ ___ attach directly to the sternum by means of cartilage
    true ribs
  35. The bone that runs along the lateral side of your forearm is_______.
    Radius
  36. The shinbone is also known as the_____.
    Tibia
  37. The bones in the palm of your hand are called_______.
    metacarpals
  38. bones of the upper extremities
    • radius
    • clavical
    • humerous
  39. The heel bone is known as the_______
    calcaneus
  40. The mastoid process is part of the _____ bone.
    temporal
  41. when a baby learns to walk, the _____area of the spine becomes concave.
    lumbar
  42. which bone is the "funny bone"
    ulna
  43. there are __ pairs of true ribs
    7
  44. The 27 bones in the wrist and the hand allow for more ______.
    dexterity
  45. The longest bone in the body is the_____.
    femur
  46. Distally, the ____. articulates with the patella.
    femur
  47. The _______ bones form the cheekbones.
    zygomatic
  48. In a child, there are five of these bones. In an adult, they are fused into one.
    sacrum
  49. The spinal cord enters the cranium through a large hole ( foramen magnum) in the_______bone.
    occipital
  50. Occipital
    mastoid
  51. Sternum
    xiphoid process
  52. coxal
    • ischium
    • symphysis pubis
    • ilium
    • acetabulum
  53. femur
    greater trochanter
  54. temporal
    mastoid
  55. tarsals
    calcaneus
  56. sphenoid
    sella turcica
  57. ethmoid
    conchae
  58. scapula
    • glenoid cavity
    • acromion process
  59. tibia
    medial malleolus
  60. frontal
    frontal sinuses
  61. mandible
    • condyloid process
    • mental foramen
  62. freely movable joints are_____
    diarthroses
  63. The sutures in the skull are ______ joints.
    synarthrotic
  64. All _____ joints have a joint capsule, a joint cavity and a layer of cartilage over the ends of the two joining bones
    diarthrotic
  65. ______ grow out of periosteum and attach two bones together.
    ligaments
  66. The ______ _____ absorbs jolts.
    articular cartilage
  67. Gliding joints are the _____ ______ of the diarthrotic joints.
    least movable
  68. The knee is the ______ joint.
    largest
  69. Hinge joints allow motion in __ directions.
    2
  70. The saddle joint at the base of each of our thumbs allows for greater______.
    mobility
  71. When you rotate your head, you are using a ____ joint.
    pivot
  72. what is a function of bones
    • storage
    • hemopoiesis
    • protection
  73. The 4 types of bones are;
    Flat, irregular, short, and long
  74. There are a total of ___ phalanges in the skeletal system
    56
  75. The last two ribs
    are referred to as "floating ribs"
  76. In an infant, each coxal bone consists of three seperate bone. Thes bones are:
    Ilium, ischium, and pubis

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