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Oc Anatomy 1 > exam 1 > Flashcards

exam 1 Flashcards

(70 cards)

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1
Q

what is the ora serrata

A

the end of the retina

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2
Q

name the cranial bones
(which ones paired?)
How many total bones

A
  1. frontal - 1
  2. parietal -2
  3. temporal - 2
  4. occipital -1
  5. sphenoid -1
  6. ethmoid -1

8 total

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3
Q

name facial bones
name the cranial bones
(which ones paired?)
How many total bones

A
  1. nasal - 2
  2. maxilla - 2
  3. zygomatic - 2
  4. inferior nasal conchae - 2
    5.palatine - 2
  5. lacrimal - 2
  6. mandible - 1
  7. vomer - 1

(14 total)

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4
Q

crista gali is part of what bone

A

ethmoid

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5
Q

name meningies (inner to outer)

A
  1. pia matter
  2. arachnoid
  3. dura matter
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6
Q

notch that is more medial
is it always there?

A

frontal notch
sometimes not there

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7
Q

what bone is the trochlear foss at

A

frontal bone

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8
Q

where is the lateral orbital tubercle located (aka what bone is it on )

A

zygomatic bone

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9
Q

orbital plate is part of what bone

A

maxilla

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10
Q

perpendicular plate is part of what bone

horizonta plate part of what

A

perpendicular - ethmoid
horizontal - palatine

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11
Q

Is the posterior or anterior portion of lacimal fossa is on the maxilla

A

anterior

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12
Q

cribriform plate is from what bone
what goes through here

A

ethmoid
olfactory nerve

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13
Q

anterior clinoid process is part of what bone

A

sphenoid

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14
Q

V1, V2,V3 foramina

what bone are these foramina on

what bone is the trigeminal impression on

A

V1 - Superior orbital fissue
v2 - foramen rotundum
V3 - foramen ovale

Standing Room Only

sphenoid

petrous of the temporal bone

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15
Q

what CN goes down clivus

what two bones make it up clivus

A

CN 6
sphenoid and occipital bone

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16
Q

what CN goes through jugular foramen

A

9, 10, 11

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17
Q

mastoid and styloid process is part of what bone

A

temporal bone

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18
Q

where is the inion

A

external occipital protuberance

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19
Q

hypoglassal canal is part of what bone

A

occipital bone

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20
Q

bones part of nasal septum

A

ethmoid, vomer

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21
Q

where does the nasolacrimal drain into

A

inferior nasal meatus

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22
Q

____Superior Orbital fissure ___
-formed by :
-connects what:

____Inferior Orbital fissure ___
-formed by :
-connects what:

A

____Superior Orbital fissure ___
-formed by : greater and lesser wing
of sphenoid
-connects what: cranium to orbit

____Inferior Orbital fissure ___
-formed by : maxilla and greater
wing
-connects what: orbit to
pterygopalatine fossa

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23
Q

for sx for pituitary tumor, surgeon can go through nose then cut through what bone

A

sphenoid

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24
Q

what are the 7 bones of the orbit

A
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25
angle between medial and lateral wall ____ two lines coming from the center of orbit would be what degree ______
angle between medial and lateral wall __45__ two lines coming from the center of orbit would be what degree ___22.5___
26
what is the thinnest wall of orbit
medial
27
Match the meninges relationships falx cerebri tentorium cerebelli falx cerebelli Separates hemispheres Separates cerebrum from cerebellum Attached to cristagali Separates cerebellar halves
falx cerebri - seperates hemispheres -attatches to crista galli tentorium cerebelli -seperates cerbrum from cerebellum falx cerebelli - cerebellar halves
28
Name the foramen it goes through Olfactory abducens **Vagus** **trocheal**
Olfactory - cribiform foramina abducens - superior orbital fissure **Vagus - jugular foramen trochlear- superior orbital fissure
29
Name the foramen it goes through vestibulocochlear facial oculomotor optic nerve
vestibulocochlear - internal acoustic meatus facial - internal acoustic meatus oculomotor - supperior orbital fissure optic nerve -optic canal
30
Name the foramen it goes through accessory hypoglossal glossopharyngeal
accessory - jugular foramen hypoglossal - hypoglossal glossopharyngeal - juglar
31
what nerve goes through jugular foramen internal acoustic meatus
jugular foramen (9,10,11) 1. glossolphayngeal 2. vegas 3. accessory internal acoustic meatus 1. facial 7 (exits stylomastoid foramen) 2. vestibulocochear 8
32
what is collateral circulation
alternate or “backup” blood vessels in your body that can take over when another artery or vein becomes blocked or damaged
33
what is the main supply to orbit (globe)
internal carotid via **ophthalmic artery (90%)** of orbit
34
Main supply of inner retina
Central retinal artery
35
Central retinal artery pierces what
Optic nerve
36
What does the central retinal artery occlusion look like
Pale retina
37
What can spare vision for central retinal artery occlusion
Cilioretinal artery
38
What joins to form circle of zinn haller What does zinn haller supply blood too
Short posterior cilliary artery Optic nerve
39
MACI is made of what
LPCA Anterior cilliary artery
40
Where does the anterior ciliar artery pierce
Near limbus and comes from muscular branch
41
What does NAION look like
Non arteritic ischemic optic neuropathy It is caused by low bp (non arteritic) Edema nerve or sectorial
42
Long posterior ciliary artery enter what part of the eye
Enter Ciliary body (in between sclera and choroid)
43
What artery supplies skin muscle and forhead scalp and brows and upper lids
Supraorbital
44
Infraorbital artery branches from what
Maxillary from the external carotid
45
Dorsal nasal artery anastomis with what ? What are their origins
Infraorbital(from maxillary) and angular art from (from facial artery)
46
Angular artery branches from where
Facial
47
Zygomatico orbital artery branches from what What about these… Zygomaticotemporal Zygomaticofacial
Orbital- Superficial temporal that comes from external carotid Zygomatico tempura and facial come from lacrimal artery
48
Name three branches from external carotid
Facial Superficial temporal Maxillary
49
What facial artery goes towards the medial canthus
Angular artery also goes around nose
50
Name the artery that is inflamed that causes blindness in temporal arteritis
Short posterior ciliary arteries
51
The middle meningeal artery travels through what foramen
Spinosum
52
What veins follows ophtalmic artery
Superior ophthalmic vein
53
What drains the inner retina, then where does it drain What drains the choroid
Inner retina - Central retinal vein , superior orbital vein Choroid - vortex vein > superior or inferior orbital vein
54
What follows path of central retinal artery
Central retinal vein
55
What does the central retinal vein occlusion look like
Blood and thunder
56
Name sensory ganglion Do they synapse here
1. Trigeminal 2. Genucleate 3. Glossopharygeal 4. Vagal
57
Name para sympathetic ganglion
1. Ciliary 2. Pterygopalatine 3. Submandibular 4. Otic
58
Name the sympathetic gangion
Cervical superior
59
Name the sensory cranial nerves
1. Olfactory 2. Optic 3. Vestibularcochlar
60
Name mixed cranial nerves
1. Trigeminal 2. Facial 3. Glossopharyngeal 4. Vegas Think cute face in vegas ….. triGEMinal FACIAL GLOSSopharyngeal VEGAS
61
Name the motor nerves
1. oculomotor 2. Abducens 3. Trochlear 4. Accesory 45. Hypoglassal
62
Nerve for sensory of skin along center of nose
Anterior ethmoid nerve through external nasal branch
63
Sensory nerve for cornea iris scleral ciliary muscles
Short ciliary
64
Sympathetic innervation of iris dilator
Long scilliary nerve
65
Nasocilliary is afferent or efferent
Afferent
66
Structures in cavernous sinus
Oculomotor Trochlear V1 V2 Abducents Internal carotid
67
Sensory nerves of eye lid
-Lacrimal nerve ( lactimal) -infratrochlear (nasociliary) -supra orbital (Frontal) -supra trochlear (frontal) -Infraorbital (maxillary) -Zygomatic facial (maxillary)
68
Cranial nerve for iris sphincter
Oculomotor
69
Preganglion neurons come from (name for each) Parasympathetic Sympathetic
Parasympatheic craniosacral Sympathetic - thoracolumbar T1 - L2
70
White matter: Grey matter:
White : myelinated axons Grey: cell bodies synapse Brain - grey outside white inside Spine- white outside grey inside

Oc Anatomy 1 (3 decks)

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