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joints

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Terms in this set (28)

  • joints functions

    enable movement, provide stability, allow long bones to lengthen

  • synarthrosis

    no movement, most stable

  • amphiarthrosis

    small amount of movement, significantly stable

  • diarthrosis

    freely moveable , least stable

  • fibrous joints

    united by dense regular collagenous connective tissue, no joint space, synarthrosis or amphiarthrosis

  • cartilaginous joints

    cartilage between articulating bones, no joint space, synarthrosis or amphiarthrosis

  • synovial joints

    joint cavity, filled with fluid between articulating bones, diarthrosis

  • fibrous joints types

    sutures, gomphoses, syndesmoses

  • sutures

    joint between bones of skull, edges of finger like projections held by short collagen fibers, very stable synarthrosis

  • sutures may begin to fuse during 4th or 5th decade of life to form...

    synostosis

  • gomphoses

    joint between tooth and its alveolus. stable synarthrosis

  • each tooth is firmly attatched to bone fibers by..

    periodontal ligament

  • syndesmoses

    bones joined by interosseous membrane or ligament, composed of dense regular collagenous connective tissue, amphiarthrosis

  • interosseous membrane location

    between rabetween radius and ulna and between fibula and tibia

  • synchondroses

    bones united by hyaline cartilage , synarthroses

  • synchondroses locations

    epiphyseal plate , sternocostal joint, costochondral joint

  • when the cartilage in the epiphyseal plate is replaced by bone a.... is formed

    synostosis

  • symphyses

    bones united by fibrocartilage pad, amphiarthroses

  • symphyses locations

    intervertebral discs or joints, pubic symphysis

  • cartilaginous joint types

    synchondroses, symphysis

  • joint cavity

    space between 2 articulating bones in synovial joints

  • articular capsule

    double layered structure, contains inner and outer layer

  • outer fibrous layer

    dense irregular connective tissue that holds bones together and keeps out blood supply

  • inner synovial membrane

    loose connective tissue with cells that secrete synocial fluid

  • synovial fluid functions

    lubrication, metabolic functions (supplies nutrients, remove wastes), shock abosrption

  • articular cartilage

    hyaline cartilage cover exposed bone surfaces in joint cavity, reduces friction

  • articular cartilage blood supply

    avascular so depends on circulation of synovial fluid

  • nerves in joint cavity

    transmit painful stimuli to the brain and stimuli relating to position to help with body movement