chaoter 8 Flashcards

1
Q

what percent of all sensory receptors are in the eye

A

70

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2
Q

how many nerve fibers in eye

A

over a million

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3
Q

the eye is enclosed in

A

bony orbit

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4
Q

what surrounds the eye

A

cushion of fat

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5
Q

membrane that lines the eyelids and connects to the surface of the eye

A

conjuctiva

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6
Q

accessory if the eye

A

eyelids
eyelashes
conjuctivqa
lacrimal appartus

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7
Q

lacrimal gland

A

PRODUCES LACRIMAL FLUID

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8
Q

lacrimal cananls

A

drain fluid in eye

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9
Q

lacrimal sac

A

provides passage of fluid to nasal cavity

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10
Q

nassolacrimal

A

empties fluid in nsal cavity

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11
Q

lactimal fluid contains

A

antibodies and lysoszymes

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12
Q

wall has three tunics

A

fibrous]choroid

sensory

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13
Q

fibrous

A

outide

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14
Q

chorioid

A

middle

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15
Q

sensory

A

inside

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16
Q

scelera

A

white connective tissue white part of eye

17
Q

cornea

A

transparent allows light to pass repairs itself easily

can be transplanted without fear of regecion

18
Q

chorioid

A

blood rich nutritive

pgment prevents light scateerring

19
Q

choriod constits of

A

ciliary
iris
puoil

20
Q

ciliary body

A

contorls thickness focus

21
Q

iris

22
Q

pupil

A

rounded opening in irirs

23
Q

rods

A

dim perphial

24
Q

CONES

A

COLOR dense

25
Q

males

A

colorblind

26
Q

biconvex crystal like strructue

27
Q

vitreous humor

A

GEL LIKE STRUCTURE NEHIND LENS keeps eye from collapsing

28
Q

myopia

A

near sighted

29
Q

hyopia

A

faer sighted

30
Q

astigmatisim

A

different focal points really blind

31
Q

gustory

32
Q

ceruminous

33
Q

middlwe ear

34
Q

auditory tube

A

middle to throat

35
Q

bones

A

mallelus
incus
stapes