Medical terminology 101

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Anonymous
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121655
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Medical terminology 101
Updated:
2011-12-07 19:04:42
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Chapter 17 18
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Definitions and lab praticals
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  1. Area behind the cornea and in front of the lens and iris. It contains aqueous humor.
    —Anterior chamber
  2. Fluid produced by the ciliary body and found in the anterior chamber. A humor is any body fluid, including blood and lymph. —Fluid in the anterior chamber of the eye, —maintains shape, —provides nourishment.
    —Aqueous humor
  3. Middle, vascular layer of the eye, between the retina and the sclera. —Membrane inside the sclera that contains blood vessels to nourish the eye
    —Choroid
  4. Structure surrounding the lens that connects the choroid and iris. It contains ciliary muscles, which control the shape of the lens, and it secretes aqueous humor. —One on each side of the lens, contains muscles that adjust the shape and thickness of the lens
    —Ciliary body
  5. —Dark center of the eye, size determines the amount of light that enters the eye
    Pupil
  6. —Membrane lining the inner surfaces of the eyelids and the anterior portion of the eyeball—
    Conjunctiva
  7. —Pigment containingpart of the eye
    Iris
  8. —Fibrous tissue that extends over the pupil and iris
    Cornea
  9. —Opaque white of the
    eye
    Sclera=SCARED
  10. —Refracts (bends) light coming into the eye
    Lens
  11. —Refractory adjustment to near or distant vision
    Accommadation
  12. —Jelly-like material that maintains the shape of the eyeball
    Vitreous Humor
  13. —Nerve layer of the eye
    Retina
  14. Rods, Cones
    Receptor Cells of the Retina
  15. function in bright light and are responsible for color and central vision
    • Cones
    • 6.5 million cones
  16. function in reduced light and are responsible for peripheral vision
    • Rods
    • 120 million rods in the retina
  17. —Carries the nerve impulses to the brain
    Optic Nerve
  18. —Where the optic nerve meets the retina
    Optic Disc
  19. —Contains the fovea centralis, the area of sharpest vision
    Macula
  20. aque/o
    water
  21. blephar/o
    eyelid
  22. conjunctiv/o
    conjunctiva
  23. cor/o
    pupil
  24. corne/o
    cornea
  25. cycl/o
    —ciliary body
  26. dacry/o
    tears, tear duct
  27. ir/o
    iris
  28. irid/o
    iris
  29. kerat/o
    cornea
  30. lacrim/o
    tears
  31. ocul/o
    eye
  32. ophthalm/o
    eye
  33. opt/o
    eye, vision
  34. optic/o
    eye, vision
  35. palpebr/o
    eyelid
  36. papill/o
    optic disc
  37. phac/o
    lens of the eye
  38. phak/o
    lens of the eye
  39. pupill/o
    pupil
  40. retin/o
    retina
  41. scler/o
    sclera (white of the eye) hard
  42. uve/o
    uvea
  43. vitre/o
    —glassy
  44. ambly/o
    dull, dim
  45. dipl/o
    double
  46. glauc/o
    gray
  47. mi/o
    smaller, less
  48. mydr/o
    widen, enlarge
  49. nyct/o
    night
  50. phot/o
    light
  51. presby/o
    old age
  52. scot/o
    darkness
  53. xer/o
    —dry
  54. -opia
    vision
  55. -opsia
    vision
  56. -tropia
    —to turn
  57. Astigmatism, Hyperopia, Myopia, Presbyopia
    Errors of Refraction
  58. defective curvature of the cornea or lens of the eye
    Astigmatism
  59. farsightedness
    Hyperopia
  60. nearsightedness
    Myopia
  61. impairment of vision due to old age reducing lens accommodation
    Presbyopia
  62. clouding of the lens
    Cataract
  63. small, hard, cystic mass on eyelid; formed as a result of chronic inflammation of sebaceous gland along margin of eyelid
    Chalazion
  64. retinal effects caused by diabetes mellitus include:
    Diabetic retinopathy
  65. microaneurysms, hemorrhages, dilation of retinal veins, neovascularization
    Diabetic retinopathy
  66. increased intraocular pressure damages retina and optic nerve
    Glaucoma
  67. staph infection of a sebaceous gland in the eyelid
    Hordeolum (stye
  68. Macular degeneration
    progressive damage to the macula of the retina
  69. repetitive rhythmic movements of one or both eyes
    Nystagmus
  70. abnormal deviation of the eye
    Strabismus
  71. two layers of the retina separate from each other
    Retinal detachment
  72. What type of eyedrop dilates the pupil?
    mydriatic
  73. What is tonometry?
    Tonometry measures intraocular pressure to detect glaucom
  74. What is a treatment for diabetic retinopathy
    laser photocoagulation and vitrectomy
  75. What is neovascularization?
    An Internet search will lead to multiple sites focused on diabetes and vision
  76. receives sound waves
    Outer ear
  77. Sound waves travel
    middle ear
  78. Sound vibrations reach
    inner ear (labyrinth)
  79. Pinna or auricle: projecting flap
    External auditory meatus (auditory canal)
    Cerumen: waxy substance the lubricates and protects the ear
    —Outer ear
  80. Tympanic membrane(eardrum), Malleus, Incus, Stapes, Oval window, Eustachian tube
    —Middle ear
  81. Cochlea, Auditory nerve fibers
    —Inner ear: labyrinth
  82. Vestibule, Semicircular canals
    Balance and equilibrium
  83. Fluids in the cochlea through which vibration travels
    Perilymph and Endolymph
  84. acous/o
    hearing
  85. audi/o
    hearing
  86. audit/o
    hearing
  87. aur/o
    ear
  88. auricul/o
    ear
  89. cochle/o
    cochlea
  90. mastoid/o
    mastoid process
  91. myring/o
    eardrum, tympanic membrane
  92. ossicul/o
    ossicle
  93. ot/o
    ear
  94. salping/o
    Eustachian tube
  95. staped/o
    stapes
  96. tyman/o
    eardrum, tympanic membrane
  97. vestibul/o
    —vestibule
  98. -acusis or-cusis
    hearing
  99. -meter
    instrument for measure
  100. -otia
    —ear condition
  101. -opsia
    vision
  102. -otia
    ear condition
  103. -phobia
    fear
  104. -plegic
    paralysis; palsy
  105. -tropia
    to turn
  106. benign tumor arising from 8th cranial nerve, causes tinnitus, vertigo, dizziness, and decreased hearing
    Acoustic neuroma
  107. skin cells and cholesterol in a sac in the middle ear (cyst-like mass associated with chronic infections)
    Cholesteatoma
  108. —loss of ability to hear
    Deafness
  109. disorder of labyrinth with elevated endolymph pressure in cochlea and semicircular canals causing tinnitus, sensitivity to sound, progressive hearing loss, headache, nausea, and vertigo
    Ménière disease
  110. inflammation of middle ear- ear infections
    Otitis media
  111. —hardening of bony tissue in labyrinth
    Otosclerosis
  112. sensation of noises (ringing, buzzing, whistling, booming) in ears
    Tinnitus
  113. sensation of irregular motion (whirling) from disease of inner ear or nerve carrying messages from semicircular canals
    Vertigo
  114. audiometer is an electric device to determine hearing loss by frequency
    Audiometry
  115. Surgically implanted device allowing sensorineural hearing-impaired persons to understand speech
    Cochlear implant
  116. body temperature measured with infrared radiation from the eardrum
    Ear thermometry
  117. —visual examination of ear with small, hand-held scope
    Otoscopy

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