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Anatomy Head And Neck > Orbit 1 > Flashcards

Orbit 1 Flashcards

1
Q

red arrow

A

pupil

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2
Q

blue arrow

A

bulbar conjunctiva

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3
Q

orange arrow

A

supraorbital notch

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4
Q

sensory branches of the ophthalmic nerve

A

supratrochlear

supraorbital

external nasal

infratrochlear

lacrimal

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5
Q

light blue arrow

A

optic disc

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6
Q

blue arrow

A

inferior ophthalmic vein

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7
Q

light blue arrow

A

dorsal nasal artery

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8
Q

pink arrow

A

infratrochlear nerve

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9
Q

orange arrow

A

infratrochlear nerve

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10
Q

pink arrow

A

superior and inferior conjunctival fornicies

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11
Q

from the orbit, the infraorbital canal leads to the

A

midface

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12
Q

red arrow

A

orbital septum

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13
Q

orange dot

A

ethmoid bone

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14
Q

green dot

A

orbital septum

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15
Q

blue dot

A

sphenoid bone

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16
Q

blue arrow

A

lacrimal artery

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17
Q

red arrow

A

lacrimal canaliculi

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18
Q

green arrow

A

cornea

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19
Q

red arrow

A

inferior orbital fissure

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20
Q

contact with the cornea reflex involves which nerves

A

sensory: CN V1 (general sensation)
motor: CN VII (closing the eyelid)

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21
Q

red arrow

A

long ciliary nerves

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22
Q

orange arrow

A

inferior tarsal plate

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23
Q

red arrow

A

ciliary arteries

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24
Q

ophthalmic artery is a branch of the

A

internal carotid

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25
Q

pink arrow

A

medial and lateral palpebral ligaments

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26
Q

blue arrow

A

iris

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27
Q

sensory and motor nerves involved in accomodation of the eye

A

sensory: CN II
motor: CN III

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28
Q

orange

A

infratrochlear nerve

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29
Q

green arrow

A

central artery of the retina

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30
Q

green arrow

A

cornea

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31
Q

orange arrow

A

nasolacrimal gland

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32
Q

pink arrow

A

ethmoidal nerves

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33
Q

pink arrow

A

lacrimal nerve

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34
Q

Increasing the light in one eye will result in:

sensory nerve:

motor nerve:

A

pupillary contraction of BOTH eyes

sensory= CN II

motor = CN III

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35
Q

green dot

A

frontal bone

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36
Q

pink arrow

A

lens

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37
Q

red arrow

what kind of innervation?

A

ciliary muscle

parasympathetic

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38
Q

green arrow

A

lacrimal

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39
Q

What type of nerves synapse in the ciliary body

A

parasympathetic

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40
Q

from the orbit, the nasolacrimal groove leads to the

A

nasal cavity

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41
Q

blue arrow

what kind of innervation?

A

dilator pupillae

sympathetic

42
Q

red dot

A

zygomatic bone

43
Q

orange arrow

A

fovea centralis

44
Q

red dot

A

inferior tarsal plate

45
Q

Major branches of the ophthalmic nerve

A

frontal nerve, lacrimal nerve, nasociliary nerve

46
Q

pink arrow

A

infraorbital canal

47
Q

from the orbit, the optic canal leads to the:

A

middle cranial fossa

48
Q

pink arrow

A

lacrimal sac

49
Q

blue arrow

A

palatine bone

50
Q

red arrow

A

long ciliary nerves

51
Q

orange arrow

A

ethmoidal arteries

52
Q

branches of the frontal nerve

A

supraorbital nerve

supratrochlear nerve

53
Q

orange arrow

A

fovea centralis

54
Q

green arrow

A

optic canal

55
Q

green arrow

A

frontal nerve

56
Q

green arrow

A

lacrimal gland

57
Q

If you shine a light in one eye, and neither eye contracts, which nerve is damaged?

A

CN II- brain did not recieve the signal

58
Q

lesion on the left optic tract would lead to

A

blindness on the right side, half of each eye getting input

59
Q

pink arrow

A

supraorbital artery

60
Q

blue arrow

A

lacrimal puncta

61
Q

pink arrow

A

suspensory ligaments from the lens

62
Q

green arrow

what kind of innervation?

A

sphincter pupillae

parasympathetic

63
Q

parasympathetic and symapthetic innervation of the lacrimal gland post ganglionic path

A

synpase in pterygopalatine ganglion, direct branch from ganglion to gland

64
Q

blue arrow

A

optic chiasm

65
Q

red arrow

A

conjunctival sac

66
Q

pink arrow

67
Q

blue dot

A

superior tarsal plate

68
Q

light blue

A

tarsal glands

69
Q

green arrow

A

optic nerve

70
Q

blue arrow

A

supraorbital nerve

71
Q

blue arrow

A

short ciliary nerves

72
Q

green arrow

A

lacrimal bone

73
Q

from the orbit, the inferior orbital fissure leads to the

A

pterygopalatine fossa

74
Q

red arrow

A

supratrochlear nerve

75
Q

pink arrow

A

superior tarsal plate

76
Q

green arrow

A

nasociliary nerve

77
Q

light blue arrow

A

nasolacrimal groove

78
Q

red arrow

79
Q

from the orbit, the superior orbital fissure leads to the

A

middle cranial fossa

80
Q

postsynaptic parasympathetic to the eye synapse from the __________ ganglion and travel to the _________ via ___________

A

ciliary

cilary muscle/sphincter pupillae

hitchhiking on short ciliary nerves

81
Q

green arrow

A

nasociliary nerve

82
Q

what does the lacrimal nerve innervate

A

sensory to the skin of the lacrimal region, superior eyelid

(NOT THE LACRIMAL GLAND)

83
Q

postsynaptic symapathetic fibers to the eye hitchhike on

A

ciliary nerves (CN V1) to dilator pupillae

84
Q

from the orbit the ethmoid foramina runs to the

A

nasal cavity

85
Q

green arrow

A

orbital portion of obicularis oculi

86
Q

blue arrow

87
Q

pink arrow

A

ehtmoidal nerves

88
Q

branches of the opthalmic nerve enter the orbit via the

A

superior orbital fissure

89
Q

from the orbit, the supraorbital notch leads to the

A

superior face

90
Q

green arrow

A

palpebral conjunctiva

91
Q

pink dot

A

maxilla bone

92
Q

green arrow

A

superior ophthalmic vein

93
Q

the lacrimal sac is located between

A

maxillary bone and lacrimal bone

94
Q

blue arrow

A

short ciliary nerves

95
Q

blue arrow

A

ethmoid foramina

96
Q

In accomodation the ________ muscle _________ and the lens becomes more _________ to increase __________ of light

A

ciliary muscle

contracts (slackens)

round

bending

97
Q

blue arrow

A

palpebral portion of orbicularis oculi

98
Q

red arrow

A

optic tract

99
Q

green dot

A

superior orbital fissure

100
Q

lesion of the left optic nerve would lead to

A

blindness in one eye, only right eye getting input

101
Q

branches of the nasociliary nerve

A

short ciliary nerves, long ciliary nerves, ethmoidal nerves, infratrochlea nerve

102
Q

red bracket

A

ciliary body

Anatomy Head And Neck (13 decks)

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