Anatomy final outer ear.txt

Card Set Information

Author:
kdalbor
ID:
251896
Filename:
Anatomy final outer ear.txt
Updated:
2013-12-08 23:35:56
Tags:
outer ear
Folders:

Description:
anatomy
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user kdalbor on FreezingBlue Flashcards. What would you like to do?


  1. An energy transducer
    Ear
  2. Converting acoustic energy into electrochemical energy
    Transducer
  3. Rapidly changing air pressure
    Sound energy
  4. Movement of structures
    Mechanical energy
  5. Outer ear funnels sound into the...
    External auditory canal
  6. Area that pushes tympanic membrane medially
    High pressure
  7. Area that sucks tympanic membrane laterally
    Low pressure
  8. Sound waves vibrating the tympanic membrane =
    Transduction of sound into mechanical energy
  9. Tympanic membrane movement moves____
    Ossicles
  10. ___ move into and out of the oval window of the inner ear
    Ossicles
  11. ___ amplifies sound pressure
    Middle ear
  12. The movement of the ossicles transduces mechanical energy into ___
    Waves in the inner ear fluids
  13. ____ cause basilar membrane movement
    Sound waves in the inner ear
  14. ____ stimulates the sensory cells of the organ of corti that send nerve impulses to the brain.
    Basilar membrane movement
  15. The 2 elements of the outer ear
    • Pinna (auricle)
    • External auditory meatus (ear canal)
  16. The structure that serves primarily as the sound collector
    Pinna
  17. The prominence we refer to as the ear
    Pinna
  18. A single elastic cartilage
    Pinna
  19. The curled margin of the pinna
    Helix
  20. The acoustic meatus is the
    Concha cava
  21. Another word for ear wax
    Cerumen
  22. The medial most point of the outer ear
    Tympanic membrane
  23. The external auditory meatus is both ____ &____
    • Osseous
    • Cartilaginous
  24. The cartilaginous makes up ____ portion and the osseous makes up ____ portion
    • 1/3
    • 2/3
  25. The structure separating the outer and middle ear
    Tm
  26. At the terminus of the EAM is the____
    TM
  27. An extremely thin trilaminar sheet of tissue
    TM
  28. ___ moves in response to air vibrations which are transmitted via middle ear bones to the inner ear
    TM
  29. The three layers of TM tissue
    • Outer
    • Intermediate
    • Inner
  30. ___ is a continuation of the epithelial lining of the EAM and pinna
    Outer layer of TM
  31. Also known as the fibrous layer; sandwiched
    Intermediate layer of TM
  32. The 2 layers of the intermediate TM layer
    ___ fibers radiating out from the handle of the malleus to the periphery
    ___ made up of circular fibers that are found mostly in the periphery of the membrane
    • Superficial layer
    • Deep layer
  33. The ___ layer of the TM is continuous with the mucosa of the middle ear
    Inner
  34. The 3 landmarks of the TM
    • Manubrium
    • Cone of light
    • Umbo
  35. Reflects the light of the otoscope in the inferior and anterior direction
    Cone of light
  36. The most distal point of attachment of the inner TM
    Umbo
  37. The umbo connects what 2 parts of the ear
    Malleus and TM
  38. The handle of the malleus
    Manubrium

What would you like to do?

Home > Flashcards > Print Preview