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Eye Anatomy > Face 2 > Flashcards

Face 2 Flashcards

1
Q

the eyelids have a medial and lateral ________

A

canthus

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2
Q

the ____________ elevates the upper lid

A

levator palpebrae superioris

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3
Q

_______ glands secrete a lubricating lipid secretion for the eyelids

A

meibomian (tarsal)

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4
Q

the ________ produces a lubricating mucus to prevent eyes from drying out

A

conjunctiva

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5
Q

the _______ conjunctiva is on the inner surface of the eyelid, and the _______ conjunctiva is on the anterior surface of the eye

A

palpebral -inner surface

bulbar - anterior surface of eyeball

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6
Q

lacrimal glands are located _____ and _____ to the eye

A

lateral and superior

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7
Q

the lacrimal _______ leads to the lacrimal _______, to the nasolacrimal duct, to the inferior nasal _____

A

canaliculi
lacrimal sacs
inferior nasal meatus

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8
Q 
CN III (oculomotor n): LPS, SR, IR, MR, IO
CN IV (trochlear n): \_\_\_\_\_\_
CN VI (abducens n): \_\_\_\_\_\_
A

superior oblique

lateral rectus

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9
Q

(LR6 SO4)3 means?

A

Lateral rectus -cn 6
Superior oblique -CN 4
all the rest are CN 3

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10
Q

the fibrous layer of the eye contains the _____ and _____

A

sclera and cornea

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11
Q

the vascular layer of the eye contains the _______ and the ______, and the iris

A

choroid and ciliary body

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12
Q

the muscles of the eye attach to the ________, which makes up the posterior 5/6 of eyeball

A

sclera

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13
Q

the cornea is transparent and makes up the front ______ of the eye

A

1/6

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14
Q

the ________ allows light to enter the eye and is _________

A

cornea

avascular

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15
Q

the cornea is innervated by ______

A

CN V1

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16
Q

the choroid is located between the _____ and the _____, and is HIGHLY vascular

A

choroid and the retina

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17
Q

the choroid has brown pigment which helps to ________

A

absorb light so it isn’t scattered in the eye

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18
Q

the ciliary body provides an attachment for the _____ and connects the choroid with the iris

A

lens

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19
Q

the iris is a thin, contractile diaphragm with circular ________ smooth mm fibers. the pupil transmits light to lens.

A

radial

20
Q

the innermost layer is the _______, with a pigmented layer and a ______ layer - contains neurons, the _______, and the macula

A

optic disc

21
Q

the neurons of the retina contain ____________, _________, and ganglion cells (axons form optic nerve)

A

photoreceptors (rods for dim light and peripheral vision, and cones for color vision and bright light)
bipolar cells -intermediate layer

22
Q

the ________ are for peripheral vision

A

rods

23
Q

cons are for __________ and bright light

A

color vision

24
Q

the optic nerve exits the eye at the __________. This is the blind spot because there are no photoreceptors.

A

optic disc

25
Q

the _________ is for enhanced visual acuity and contains mostly ______

A

macula

cones

26
Q

the center of the macula is the ________, and is for the most _____ vision (only CONES)

A

fovea centralis

acute vision

27
Q

the rods and cones are in direct contact with the chord, so they receive __________. The remaining retina is supplied via the opthalmic artery.

A

blood supply

28
Q

the _____ chamber is between the cornea and the iris

A

anterior

29
Q

the posterior chamber is between the _____ and the lens

A

iris

30
Q

the posterior _______ is behind the lens and has _______

A

segment

vitreous humor

31
Q

the lens is anchored by _____ fibers to ciliary processes

A

zonular

32
Q

the tympanic membrane is covered with ____ externally and mucous membrane _____

A

skin

internally

33
Q

most of the TM is the _____ part, the umbo is in contact with the end of the _______

A

tense (pars tensa)

malleolus

34
Q

the auditory ossicles transmit ______ of TM to the ______

A

vibration

oval window

35
Q

the ______ attaches to the TM, transmits to ____ and stapes. This changes a mechanical wave to electrical potential

A

malleus

incus

36
Q

the _________ tube equalizes pressure between the middle and external ear and connects the nasopharynx to the _________

A

eustachian

middle ear cavity

37
Q

the malleus is pulled by the _____ _____ muscle to reduce amplitude and prevent damage from loud sound

A

tensor tympani

38
Q

the _______ muscle pulls stapes to prevent excessive movement

A

stapedius

39
Q

chorda tympani is a branch of CN _____ and travels between the incus and malleus (also taste for 2/3 of tongue)

A

VII

40
Q

chorda tympani joins the _____ of CN V3

A

lingual branch

41
Q

the oval window is the _____ opening into the vestibule; the round window is the ____ opening into the chochlea (secondary TM)

A

superior

inferior

42
Q

the bony labyrinth (surrounded by _______) is filled with _______. The membranous labyrinth is filled with _____

A

otic capsule
perilympth
endolymph

43
Q

the bony labyrinth contains the _______, vestibule, and semicircular canals

A

cochlea

44
Q

the vestibule of the bony labyrinth has the ____ window and is continuous with the _____ and semicircular canals. Has the _____ and ____, for balance with equilibrium receptors called _________

A

uioval
cochlea
uticle and sacclue
macula

45
Q

organ of corti contains ______ which are hearing receptors

A

hair cells

46
Q

what reports a change in the position of the head?

A

the cuticle and saccule of the vestibular labyrinth

47
Q

the crista ampullaris of the _____________ respond to rotational movement

A

semicircular ducts

Eye Anatomy (3 decks)

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