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maris ga 2 > eye > Flashcards

eye Flashcards

1
Q

margins of orbit

A

frontal, zygomatic, maxilla

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2
Q

roof of orbit

A

orbital plate of frontal bone, lesser wing of sphenoid

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3
Q

medial wall of orbit

A

frontal, body of sphenoid,lamina papyracea of ethmoid, lacrimal maxillla

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4
Q

floor of orbit

A

orbital process of palatine, orbital surface of maxilla nad zygomatic

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5
Q

lateral wall of orbit

A

frontal process of xygomatic and greater wing of sphenoid

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6
Q

the lacrimal fossa/groove acoomadates for what

A

lacrimal sac which gets filled with tears COLLECTS TEARS

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7
Q

what duct allows u to get runny nose when cry

A

nasolacrimal duct

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8
Q

the supraorbital van run through wat

A

supraorbital notch/foramen

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9
Q

the lacrimal fossa is between what

A

anterior and posterior lacrimal crests at medial wall anteriorly

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10
Q

what houses the nasolacrimal duct

A

nasolacrimal canal

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11
Q

the inferior orbital fissure has what going through it

A

maxillary nerve nad inferior opthlamic vein

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12
Q

what does th inf orb fissure communicate wiwth

A

pterygopalatine fossa

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13
Q

what does the superior orbital fissure communicate wiht

A

middle cranial fossa

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14
Q

what goes through the superior orbital fisure

A

oculomotor, trochlear lacrimal, frontal, nasociliary, abducent nerves and superior ophthalmic vein

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15
Q

NFL, nasociliary, frontal, lacrimal nerves are branches of

A

ophthalmic nerve V3

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16
Q

where is the supraorbital notch

A

at superior orbital margin

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17
Q

where is infraorbital groove

A

floor or orbit

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18
Q

where is the inferior orb fissure

A

between maxilla and greater wing of sphenoid

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19
Q

superior orb fissure b/w what

A

greater and lesser wings of sphenoid

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20
Q

optic canal is in what

A

lesser wing of sphenoid

21
Q

what goes through optic canal

A

optic nerve nad ophthalmic a

22
Q

what does optic canal communicate with

A

middle cranial fossa

23
Q

zygomaticotempral and zygomatricofacial foramina is in what wall

A

lateral wall of orbit

24
Q

what does the zygomaticotemp and zygomaticofaci foramina house

A

those two naems nerves

25
Q

what wall is the anterior and posterior ethmoidal foramina

A

medial wall

26
Q

what do the ant and post ethm foram hold

A

ant and post ethm nerves

27
Q

the apex of eye visions points

A

medially like 45 degrees?

28
Q

what separates the upper and lower eyelids

A

palpebral fissure (small crack in eyelid)

29
Q

where do the up and low eyelids meet in corners

A

medial and lateral canthus

30
Q

the eyelids are covered externally by () and lined internally by mucous membrane called ()

A

skin

conjuctiva

31
Q

how many rows of eyelashes

A

2-3

32
Q

sebaceous glands of eyelashes called

A

glands of zeis

33
Q

sweat glands of eyelids called

A

ciliary glands (of Moll)

34
Q

tarsal (meibomian) glands are what kind of glands

A

modified sebaceous glands

35
Q

what is function of tarsal (meibomian) glands

A

oily secretion into margin of eyelids to make them air tight (prevents tears and cornea from drying out)

36
Q

inflammation of what glands causes a stye or external hordeolum

A

glands of moll or glands of zeis

37
Q

inflammation of tarsal glands is called

A

chalazion or internal hordeolum

38
Q

what glands secretion if too much causes eyelids to stick together

A

tarsal gland

39
Q

the medial angle of eye is separated from eyeball by space

A

lacrimal lake aka lacus lacrimalis

40
Q

what is the small elevation in lacrimal lake called

A

lacrimal caruncle

41
Q

what is the plica semilunaris

A

curved fold of conjunctiva (lat border of lake)

42
Q

what forms the lateral boundary of the lacrimal lake

A

plica semilunaris

43
Q

the plica semilunaris is a evolutionary remnant of what

A

nictitating membrane (crocodile eye thing)

44
Q

medial end of each eyelid there is a small elevation called

A

lacrimal papilla

45
Q

small opening in lacrimal papilla called

A

lacrimal punctum

46
Q

the lacrimal punctum leads to the sup and inferior

A

lacrimal canal

47
Q

the tears travel over () and go into the () and then drain into the ()

A

over cornea to lacrimal lake and drain into lacrimal punctum

48
Q

the eyelid from outward to inward layers is

A 
skin, 
superficial fascia with orbicularis oculi 
tendon insertion of levator palpebrae
tarsal plate
palpebral conjunctiva

maris ga 2 (8 decks)

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