anatomy lab4

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Author:
samanthajaye
ID:
36690
Filename:
anatomy lab4
Updated:
2010-09-22 19:43:35
Tags:
facial bones
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Description:
facial bones
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  1. facial bones
    • frontal bone
    • nasal bones
    • lacrimal bones
    • maxilla
    • palatine bones
    • zygomatic (malar) bone
    • ethmoid bone
    • vomer
    • inferior nasal conchae
    • mandible
    • hyoid bone
  2. frontal bone
    • forehead,
    • forms superior portion of orbit
  3. nasal bones
    two small bones forming the bridge of the nose
  4. lacrimal bones
    • lateral to the nasal bones
    • contains groove for nasolacrimal duct through which tears flow from the eye to the nasal cavity
  5. maxilla
    • upper jaw
    • palatine processes: horizontal projections forming anterior 2/3 of the hard palate (roof of mouth)
  6. palatine processes
    horizontal projections forming anterior 2/3 of the hard palate (*roof of mouth)
  7. palatine bones
    unite at midline to form posterior 1/3 of hard palate
  8. zygomatic (malar bone)
    • cheek bone
    • temporal process: long, slender process of temporal bone that fuses with the maxilla to form the zygomatic arch
  9. temporal process
    long, slender process of temporal bone that fuses with the maxilla to form the zygomatic arch
  10. thmoid bone
    • small portion of the ethmoid bone enters the nasal cavity
    • perpendicular plate
    • superior and medial nasal conchae (turbinate bones)
  11. perpendicular plate
    forms the upper portion of the nasal septum
  12. superior and medial nasal conchae (turbinate bones)
    scroll-shaped plates of bone extending laterally from the perpendicular plate
  13. vomer
    • forms the inferior portion of the nasal septum
    • articulates with the prependicular plate superiorly and hard palate inferiorly
  14. inferior nasal conchae
    scroll shaped plates of bone protruding from lateral, inferior walls of the nasal cavity
  15. mandible
    • lower jaw.
    • condyles articulate with the mandibular fossae to form the temporomandibular joint
    • mental foramina
  16. mental foramina
    small holes for the passageway of nerves and blood vessels
  17. hyoid bone
    • horseshoe-shaped bone inferior to the mandible
    • does not articulate with other bones
    • held in place by various ligaments
    • serves as attachment site for tongue and mouth muscles

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