Radiology week eight

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sthomp88
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45650
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Radiology week eight
Updated:
2010-10-28 09:06:08
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chapter twenty eight extra oral
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extra oral radiograph
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  1. a marked prominence of bone located posterior and inferior to the TMJ. a part of the temporal bone
    mastoid process
  2. appears as a rounded radiopacity located posterior and inferior to the TMJ; not seen on PS
    mastoid process
  3. a long pointed and sharp projection of bone that extends from the temporal bone anterior to the mastoid process; not seen on PA
    styoloid process
  4. appears as a long radiopaque spine that extends from the temporal bone anterior to the mastoid process
    Styloid process
  5. a hole or opening in the temporal bone located superior and anterior to the mastoid process
    external auditory/acoustic meatus
  6. appears as a round to ovoid radiolucency anterior and superior to the mastoid process; is not seen on PA
    external acoustic meatus
  7. a concave, depressed area of the temporal bone. The mandibular condyle rests here. it is located anterior to the mastoid process and external acoustic meatus
    glenoid fossa
  8. appears as a concave radiopacity superior to the mandibular condyle. not seen on PA
    glenoid fossa
  9. a rounded projection of the temporal bone, located anterior to the glenoid fossa
    articular eminence
  10. appears as a rounded radiopaque projection of the bone anterior to the glenoid fossa. not seen on PA
    articular eminence
  11. a wing shaped bony projection of the sphenoid bone located distal to the maxillary tuberosity region
    lateral pterygoid plate
  12. appears as a radiopaque projection of bone distal to the maxillary tuberosity region. not seen on PA
    lateral pterygoid plate
  13. a narrow space or cleft that separates the lateral pterygoid plate and the maxilla
    pterygomaxillary fissure
  14. appears as a radiolucent area between the lateral pterygoid plate and the maxilla. The zygoma is often superimposed on this region and obscures it
    pterygomaxillary fissure
  15. a rounded prominence of bone that extends posterior to the 3rd molar region
    maxillary tuberosity
  16. appears as a radiopaque bulge distal to third molar region
    maxillary tuberosity
  17. a hole or opening in bone found inferior to the border of the orbit
    infraorbital foramen
  18. appears as a round or ovoid radiolucency inferior to the orbit, it may be superimposed over the maxillary sinus; not seen on PA
    infraorbital foramen
  19. the bony cavity that contains the eye ball
    orbit
  20. appears as a round radiolucent compartment with radiopaque borders located superior to the maxillary sinuses; on most panoramic films the inferior border of this is visible as a radiopaque line
    orbit
  21. a passageway through bone that extends from the superior foramina of the incisive canal to the incisive foramen
    incisive canal
  22. appears as a tube like radiolucent area with radiopaque borders. located between the central incisors
    incisive canal
  23. an opening or hole in bone that is located at the midline of the anterior portion of the hard palate directly posterior to the maxillary central incisors
    incisive foramen
  24. appears as a small ovoid or round radiolucency located between the roots of maxillary central incisors
    incisive foramen
  25. a sharp bony projection of the maxilla located at the anterior and inferior portion of the nasal cavity
    anterior nasal spine
  26. appears as a V shaped radiopaque area located at the intersection of the floor of the nasal cavity and nasal septum
    anterior nasal spine
  27. a pear shaped compartment of bone located superior to the maxilla
    nasal cavity
  28. appears as a large radiolucent area above the maxillary incisors
    nasal cavity
  29. a vertical bony wall or partition that divides the nasal cavity into the right and left nasal fossae
    nasal septum
  30. appears as a vertical radiopaque partition that divides the nasal cavity
    nasal septum
  31. a bony wall that separates the nasal cavity from the oral cavity
    hard palate
  32. appears as a horizontal radiopaque band superior to the apices of the maxillary teeth
    hard palate
  33. paired cavities or compartments of bone located within the maxilla and are located above the maxillary premolar and molar teeth
    maxillary sinuses
  34. appears as paired radiolucent located above the apices of the maxillary premolars and molars. the floor of this is composed of dense cortical bone and appears as a radiopaque line
    maxillary sinuses
  35. a bony projection of the maxilla that articulates with the zygoma or malar (cheek) bone
    zygmatic process of the maxilla
  36. appears as a J or U shaped radiopacity located superior to the maxillary first molar region
    zygomatic process
  37. the cheek bone and articulates with the zygomatic process
    zygoma
  38. appears as a radiopaque band that extends posteriorly from the zygomatic process
    zygoma
  39. a small hook like projection ob bone that extends from the medial pterygoid plate of the sphenoid bone. located posterior to the maxillary tuberosity
    hamulus
  40. appears as a radiopaque hook like projection posterior to the maxillary tuberosity area
    hamulus
  41. rounded projection of bone extending from the posterior superior border of the ramus of the mandible. articulates with the glenoid fossa of the temporal bone
    mandibular condyle
  42. appears as a bony rounded radiopaque projection extending from the posterior border of the ramus of the mandible; not seen on PA
    mandibular condyle
  43. a scooped out concavity of bone located distal to the coronoid process of the mandible
    coronoid notch
  44. appears as a radiopaque concavity located distal to the coronoid process on the superior border of the ramus
    coronoid notch
  45. a marked prominence of bone found on the anterior superior ramus of the mandible
    coroniod process
  46. appears as a triangular radiopacity posterior to the maxillary tuberosity region
    coronoid process
  47. a round or ovoid hole in bone on the lingual aspect of the ramus of the mandible
    mandibular foramen
  48. appears as a round or ovoid radiolucency centered within the ramus of the mandible; not seen on PA
    mandibular foramen
  49. a small tongue shaped projection of bone seen adjacent to the mandibular foramen
    lingula
  50. appears as an indistinct radiopacity anterior to the mandibular foramen; not seen on PA
    lingula
  51. a tube like passageway through bone that travels the length of the mandible. it extends from the mandibular foramen to the mental foramen, and houses the inferior alveolar nerve and blood vessels
    mandibular canal
  52. appears as a radiolucent band outlinded by two thin radiopaque lines representing the cortical walls of the canals
    mandibular canal
  53. an opening or hole in bone located on the external surface of the mandible in the area of the mandibular premolars
    mental foramen
  54. appears as a small ovoid or round radiolucency located in the apical region of the mandibular premolars
    mental foramen
  55. a linear prominence of cortical bone located on the external surface of the anterior portion of the mandible that extends from the premolar region to the midline
    mental ridge
  56. appears as a thick radiopaque band that extends from the mandibular premolar region going to the incisor region
    mental ridge
  57. a scooped out depressed area of bone located on the external surface of the anterior mandible above the mental ridge in the mandibular incisive region
    mental fossa
  58. appears as a radiolucent area above the mental ridge
    mental fossa
  59. a tiny opening or hole in bone located on the internal surface of the mandible near the midline
    lingual foramen
  60. appears as a small radiolucent dot located inferior to the apices of the mandibular incisors
    lingual foramen
  61. tiny bumps of bone located on the lingual aspect of the mandible
    genial tubercles
  62. appear as a ring shaped radiopacity surrounding the lingual foramen
    genial tubercles
  63. a linear prominence of cortical bone that defines the lower border of the mandible
    inferior border of the mandible
  64. appears as a dense radiopaque band that outlines the lower border of the mandible
    inferior border of the mandible
  65. linear prominence of bone located on the internal surface of the mandible that extends from the molar region downward and forward toward the lower border of the mandibular symphisis
    mylohyoid ridge
  66. appears as a dense radiopaque band that extends downward and forward from the molar region
    mylohyoid ridge
  67. a linear prominence of bone located on the internal surface of the mandible that extends downward and forward from the ramus
    internal oblique ridge
  68. appears as a dense radiopaque band that extends downward and forward from the ramus
    internal oblique ridge
  69. a linear prominence of bone located on the external surface of the body of the mandible
    external oblique ridge
  70. appears as a dense radiopaque band that extends downward and forward from the anterior border of the ramus of the mandible
    external oblique ridge
  71. the area of the mandible where the body meets the ramus
    angle of the mandible
  72. appears as a radiopaque bony structure where the ramus joins the body of the mandible
    angle of mandible
  73. air space found between the palate and tongue
    palatoglossal air space
  74. appears as a horizontal radiolucent band located above the apices of the maxillary teeth
    palatoglossal air space
  75. refers to the portion of the pharynx located posterior to the naso cavity
    nasopharyngeal air space
  76. appears as a diagnol radiolucency located superior to the radiopaque shado of the soft palate and uvula
    nasopharyngeal air space
  77. the portion of the pharynx located posterior to the tongue and oral cavity
    glossopharyngeal airspace
  78. appears as a vertical radiolucent band superimposed over the ramus of the mandible. it is continuous with the nasopharyngeal air space superiorly and the palatoglossal space inferiorly
    glossopharyngeal space
  79. a movable muscular organ found attached to the floor of the mouth
    tongue
  80. appears as a radiopaque area superimposed over the maxillary posterior teeth
    tongue
  81. form a muscular curtain that separates the oral cavity from the nasal cavity
    soft palat and uvula
  82. appear as a diagnol radiopacity projecting posteriorly and inferiorly from the maxillary tuberosity region
    soft palate and uvula
  83. formed by the position of the patients lips
    lipline
  84. seen in the region of the anterior teeth appear more radiolucent in areas of teeth not covered by this, and appear more radiopaque in areas that are
    lipline
  85. appear as a radiopaque shadow that projects anteriorly and inferiorly from the mastoid process, veiwed superimposed over the styloid process
    ear

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