© 2009 delmar, cengage learning chapter 11 special senses: the eyes and ears
TRANSCRIPT
© 2009 Delmar, Cengage Learning
Chapter 11
Special Senses: The Eyes and Ears
© 2009 Delmar, Cengage Learning
Overview of Structures, Combining Forms, and Functions
© 2009 Delmar, Cengage Learning
© 2009 Delmar, Cengage Learning
Eyes (and Vision)
• Primary Function– Receptor organs for the sense of sight.
• Related Combining Forms– opt/i, opt/o, optic/o
– ophthalm/o
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Adnexa of the Eye
• Primary Functions – Accessory structures that provide external protection and allow
the eyes to move.
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Major Structures of the Adnexa of the Eye
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Lacrimal Apparatus
• Primary Functions – Produces, stores, and removes tears.
• Related Combining Forms– dacryocyst/o
– lacrim/o
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Structures of the Eyeball
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Iris
• Primary Function – Controls the amount of light entering the eye.
• Related Combining Forms– ir/i, ir/o
– irid/o
– irit/o
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Lens
• Primary Function – Focuses rays of light on the retina.
• Related Combining Forms– phac/o
– phak/o
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Retina
• Primary Functions – Converts light images into electrical impulses and transmits
them to the brain.
• Related Combining Form– retin/o
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Ears (Hearing and Sound)
• Primary Functions – Receptor organs for the sense of hearing.
– Help to maintain balance.
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Ears (Hearing and Sound)
• Related Combining Forms– acous/o, acoust/o
– audi/o, audit/o
– ot/o
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Structures of the Ear
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Outer Ear
• Primary Function – Transmits sound waves to the middle ear.
• Related Combining Form– pinn/i
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Middle Ear
• Primary Function – Transmits sound waves to the inner ear.
• Related Combining Forms– myring/o
– tympan/o
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Inner Ear
• Primary Functions – Receives sound vibrations and transmits them to the brain.
• Related Combining Form– labyrinth/o
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Animations
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© 2009 Delmar, Cengage Learning
How We Hear
Click to play animation
[Insert Hearing animation]
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The Eardrum in Health and Infection
Click to play animation
[Insert The Eardrum animation]
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How We See
Click to play animation
[Insert Vision animation]
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Cataracts
Click to play animation
[Insert Cataracts animation]
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Glaucoma
Click to play animation
[Insert Glaucoma animation]
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Answers to Learning Exercises
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© 2009 Delmar, Cengage Learning
Chapter 11 Answers
Matching Word Parts 1
11.1. kerat/o
11.2. belphar/o
11.3. opt/o
11.4. -cusis
11.5. -metry
Matching Word Parts 2
11.6. myring/o
11.7. ophthalm/o
11.8. irid/o
11.9. presby/o
11.10. -opia
© 2009 Delmar, Cengage Learning
Chapter 11 Answers
Matching Word Parts 3
11.11. ot/o
11.12. tympan/o
11.13. scler/o
11.14. retin/o
11.15. trop/o
Definitions
11.16. sclera
11.17. cochlea
11.18. optic disk
11.19. tympanic membrane
11.20. oval window
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Chapter 11 Answers
Definitions
11.21. incus
11.22. presbyopia
11.23. retinopexy
11.24. entropion
11.25. purulent
Matching Conditions
11.26. esotropia
11.27. diplopia
11.28. hyperopia
11.29. myopia
11.30. strabismus
© 2009 Delmar, Cengage Learning
Chapter 11 Answers
Which Word?
11.31. diopter
11.32. otorrhagia
11.33. tympanostomy
11.34. glaucoma
11.35. binaural
Spelling Counts
11.36. eustachian
11.37. cerumen
11.38. astigmatism
11.39. labyrinthotomy
11.40. Snellen
© 2009 Delmar, Cengage Learning
Chapter 11 Answers
Abbreviation Identification
11.41. astigmatism11.42. intraocular lens11.43. right eye11.44. intraocular
pressure11.45. macular
degeneration
Term Selection
11.46. myopia
11.47. anisocoria
11.48. mastoidectomy
11.49. hordeolum
11.50. otomycosis
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Chapter 11 Answers
Sentence Completion
11.51. refraction
11.52. vertigo
11.53. optometrist
11.54. keratitis
11.55. monochromatism
Word Surgery
11.56. opthalm/o, -scopy
11.57. emmetr, -opia
11.58. ot/o, py/o, -rrhea
11.59. presby, -cusis
11.60. xer, ophthalm, -ia
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Chapter 11 Answers
True/False
11.61. False
11.62. True
11.63. False
11.64. True
11.65. True
Clinical Conditions
11.66. otoplasty
11.67. barotrauma
11.68. iridectomy
11.69. hemianopia
11.70. fluorescein
© 2009 Delmar, Cengage Learning
Chapter 11 Answers
Clinical Conditions
11.71. periorbital
11.72. nyctalopia
11.73. tinnitus
11.74. pterygium
11.75. conjunctivitis
Which Is the Correct Medical Term?
11.76. papilledema
11.77. synechia
11.78. ametropia
11.79. chalazion
11.80. impacted cerumen
© 2009 Delmar, Cengage Learning
Chapter 11 Answers
Challenge Word Building
11.81. iridalgia
11.82. blepharitis
11.83. iridotomy
11.84. retinopathy
11.85. ophthalmology
11.86. blepharedema
11.87. lacrimotomy
11.88. labyrinthectomy
11.89. iridopathy
11.90. retinitis
© 2009 Delmar, Cengage Learning
Chapter 11 Answers
Labeling Exercises
11.91. cornea
11.92. chamber
11.93. lens
11.94. iris
11.95. fovea
11.96. auricle
11.97. auditory
11.98. tympanic
11.99. eustachian
11.100. cochlea