Ch 17 Sense organs: The eye and ear Flashcards Preview

Medical Terminology > Ch 17 Sense organs: The eye and ear > Flashcards

Flashcards in Ch 17 Sense organs: The eye and ear Deck (33)
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1
Q

-opsia

A

vision

2
Q

-otia

A

ear condition

3
Q

-acusis

A

hearing

4
Q

-cusis

A

hearing

5
Q

-opia

A

vision

6
Q

tympan/o

A

eardrum

7
Q

dacry/o

A

tear

8
Q

dipl/o

A

double

9
Q

ir/o

A

iris

10
Q

kerat/o

A

cornea

11
Q

lacrim/o

A

tear

12
Q

audiometry

A

an electric device used to determine hearing loss by frequency

13
Q

cochlear implant

A

surgically implanted device that allows hearing impaired persons to understand speech

14
Q

otitis media

A

inflammation of the middle ear

15
Q

tinnitus

A

sensation of noises in the ears

16
Q

vertigo

A

sensation of irregular motion from disease of inner ear

17
Q

pinna

A

auricle; flap of the ear

18
Q

semicircular canals

A

maintains equilibrium

19
Q

glaucoma

A

increased pressure in the eye

20
Q

cataract

A

clouding of the lens

21
Q

astigmatism

A

defective curvature of the cornea

22
Q

hyperopia

A

farsightedness

23
Q

myopia

A

nearsightedness

24
Q

presbyopia

A

impairment of vision due to old age

25
Q

dacry/o

A

tear

26
Q

sclera

A

tough, white outer coat of the eyeball

27
Q

thalamus

A

relay center of the brain

28
Q

refraction

A

bending of light rays by the cornea

29
Q

retina

A

light sensitive nerve cell layer of the eye

30
Q

rod

A

photoreceptor cell of retina essential for vision in dim light and for peripheral vision

31
Q

accomodation

A

normal adjustment of the eye to focus on an object

32
Q

aqueous humor

A

fluid produced by the ciliary body

33
Q

cone

A

photoreceptor in the retina