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Biology 242 Midterm > Special Senses > Flashcards

Special Senses Flashcards

1
Q

Drains tears into nasal cavity

A

nasolacrimal duct

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2
Q

Produces tears

A

lacrimal glands

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3
Q

Membrane that covers inner surface of eyelid

A

palpebral conjunctiva

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4
Q

Tears from surface of eye drain here

A

lacrimal canals

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5
Q

Membrane that covers the anterior surface of the sclera

A

bulbar conjunctiva

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6
Q

Drains tears into the nasolacrimal duct

A

lacrimal sac

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7
Q

moves eyeball superiorly

A

superior rectus muscle

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8
Q

moves eyeball laterally

A

lateral rectus muscle

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9
Q

moves eyeball inferiorly

A

inferior rectus

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10
Q

moves eyeball medially

A

medial rectus

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11
Q

moves eyeball laterally and inferiorly

A

inferior oblique

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12
Q

moves eyeball laterally and superiorly

A

superior oblique

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13
Q

produces aqueous humor

A

ciliary body, ciliary process

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14
Q

structures that are part of the vascular tunic

A

iris, ciliary body, ciliary muscle, ciliary process choroid

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15
Q

contains photoreceptors

A

retina

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16
Q

controls the size of the pupil

A

iris

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17
Q

drains aqueous humor from the anterior chamber

A

scleral venous sinus

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18
Q

structure that are part of the fibrous tunic

A

cornea, sclera, scleral venous sinus

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19
Q

most anterior part of the eye

A

cornea

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20
Q

anterior boundary of retina

A

ora serrata

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21
Q

attaches lens to ciliary body

A

suspensory ligaments

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22
Q

change shape to focus light on retina

A

lens

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23
Q

location of aqueous humor

A

anterior cavity, anterior chamber, posterior chamber

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24
Q

white, tough outer layer of eyeball

A

sclera

25
Q

why can the retina pull away form the back of the eyeball?

A

the retina is only “attached” to the eyeball at the optic disc. Fluid can get between the choroid and the retina, pushing the retina away from the choroid

26
Q

instrument used to view the retina during a physical exam

A

opthalmoscope

27
Q

the two layers of the retina

A

pigmented epithelial layer, neural portion/layer

28
Q

has the highest density of cones in the retina

A

central fovea

29
Q

axons from the optic nerve

A

ganglion cell layer

30
Q

does not contain photoreceptors; blind spot

A

optic disc

31
Q

photoreceptor that allows us to see colour

A

cones

32
Q

contains rods and cones

A

photoreceptor layer

33
Q

the center of the neural portion of the retina

A

macula lutea

34
Q

photoreceptor used in night vision

A

rods

35
Q

rods and cones synapse on these cells

A

bipolar cell layer

36
Q

Accommodation

A

the change in the shape of lens required to focus close objects on the central fovea

37
Q

Auditory ossicle attached to tympanic membrane

A

malleus

38
Q

Equalizes air pressure in middle ear with external air

A

auditory tube

39
Q

External ear structures

A

auricle, external auditory canal, helix, lobule

40
Q

Stapes is attached to this membrane-covered opening

A

oval window

41
Q

ear drum

A

tympanic membrane

42
Q

external feature of ear that contains helix and lobule

A

auricle

43
Q

middle auditory ossicle

A

incus

44
Q

small bones of middle ear that are connected by synovial joints

A

malleus, incus, stapes

45
Q

bipolar neurons

A

olfactory receptor cells

46
Q

part of olfactory receptor cell that contains the olfactory receptors

A

olfactory hair

47
Q

formed of bipolar neuron axons

A

olfactory nerve

48
Q

olfactory nerves pass through this structure before synapsing onto olfactory bulb

A

cribriform plate

49
Q

location of the olfactory epithelium

A

superior portion of nasal cavity

50
Q

contain taste buds

A

fungiform papillae, pharynx, soft palate, vallate papillae

51
Q

part of gustatory cell that contains gustatory receptor

A

gustatory hair

52
Q

opening in taste bud through which gustatory hair projects

A

taste pore

53
Q

components of taste bud

A

gustatory hair, gustatory hair, supporting cell, taste pore

54
Q

mushroom-shaped projections on tongue

A

fungiform papillae

55
Q

projections that form inverted V on back of tongue

A

vallate papillae

56
Q

tip of tongue

A

sweet and salty

57
Q

sides of tongue

A

sour

58
Q

back of tongue

A

bitter

59
Q

what other sensations contribute to the sensation of taste?

A

texture, temperature, smell

Biology 242 Midterm (11 decks)

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