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TRIGEMINAL NERVE Flashcards

1
Q

largest cranial nerve is cranial nerve —

A

5

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2
Q

Trigeminal nerve has—— roots

-large——-;small—— root

A

mixed

sensory

motor

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3
Q

CN5 is the nerve of the—— pharyngeal arch

A

1st

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4
Q

CNV gets Proprioception from??

A

Tmj
Periodontium
Teeth
Hard palate

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5
Q

CNV gets Gets exterioceptive sensation from:
-skin of——
-mucous membranes of the—- and ___ cavity
-nasal sinus
-floor of—-
——of tongue
-cranial dura

A

face and forehead

nasal;oral

mouth, teeth

anterior 2/3

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6
Q

List the ROOTS of CN5

A

Sensory;motor; mesencephalic

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7
Q

SENSORY fibers from CN5 arise from ——-ganglion , develops from —-cells, are—— shaped and —— type of neurons

A

semilunar

neural crest

crescent

unipolar neurons

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8
Q

SENSORY fibers from CN5 are found in the—— cavity located superior to the——- bone

A

meckel’s

Petrous part of temporal

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9
Q

sensory central process of CN5 is from the—-,—-, and—-branches

A

Opthalmic
Maxillary
mandibular

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10
Q

sensory’s central process of CN5 is to the pons then —-nucleus and ___nucleus through its ascending and descending pathways respectively

A

upper sensory

motor

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11
Q

MOTOR ROOT of CN5 goes from——- to—- side of—— ganglion then through——- and joins—— nerve and supplies the——-

A

Pons

medial

semilunar

foramen ovale

mandibular

muscles of mastication

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12
Q

MESENCEPHALIC ROOT of CN5 is an—— station that accompany fibers of——-. It gets proprioception from—,—, —-and—-. It alsoo gets afferent impulses from—- receptors in the——

A

afferent

motor root

teeth tmj periodontal membrane hard palate

stretch

muscles of mastication

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13
Q

List all the sensory nuclei of the trigeminal nerve

A

main nucleus of the trigeminal nerve

  • mesencephalic nucleus of the trigeminal nerve
  • spinal nucleus of the trigeminal
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14
Q

List the sub-nuclei of the spinal nuclei of trigeminal nerve

A

oralis, interpolaris, caudalis

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15
Q 
main nucleus 
-aka—- nucleus 
-found in——
-forms—— tract
———fibers terminate in this nucleus 
-coveys—- ,—- and——
A

upper

midpons

dorsal trigeminothalmic

ascending

light touch tactile discrimination proprioception

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16
Q

mesencephalic nucleus is not a true sensory ganglion.
T/F

If T, why
If F, why

A

F. Because it contains cells that look and function just like the ganglion cells because they are

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17
Q

mesencephalic nucleus conveys impulse from—- innervated by——, —-ligament and—-

A

muscles trigeminal nerve

periodontal

extraocular muscles

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18
Q

Largest sensory nucleus of the trigeminal nerve is ———?

A

The spinal nuclei

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19
Q

spinal nuclei extends from ——to level of—— and forms——- tract. It conveys—- and—-

A

main nucleus

C3 vertebrae

ventral trigeminothalmic

pain temperature

20
Q

Pars oralis extends from main nucleus to ——(and transmits ——)
Pars interpolaris:from ——to—- in the—-(and transmits—-)
Pars caudalis:from—- to—— (transmits ——-)

A

pontomedullary juction; tactile

PM junction ; obex in the medulla; tactile

obex; C3 level; pain and temperature

21
Q

motor nuclei Is also Located at—- and lies—- to main sensory nucleus
-its fibers distribute to muscles of —- pharyngeal arch

A

midpontine level

medial

1st

22
Q

List the DIVISIONS of the CN5

A
  • opthalmic
  • maxillary
  • madnibuar
23
Q

Smallest division of the CN5 is ——?

A

OPTHALMIC division

24
Q

Opthalmic division of CN5 is from—— part of—— ganglion to—- wall of——

A

antero-medial

semilunar

lateral

cavernous sinus

25
Which division of the cranial nerve 5 innervates the upper eyelid and lower eyelid
Upper -opthalmic | Lower-maxillary
26
Opthalmic division of trigeminal nerve sends communication branches to CN—,—,—
3,4,6
27
OPTHALMIC division of trigeminal nerve passes through which foramen in the skull?
Superior orbital fissure
28
Opthalmic division of trigeminal nerve divides into branches before or after passing through the foramen in the skull??
After
29
Branches of the opthalmic division of trigeminal nerve are ???
Frontal Lacrimal Nasocilliary
30
smallest branch of opthalmic nerve is the ——?
LACRIMAL NERVE
31
LACRIMAL NERVE enters the orbit through the—— part of the fissure, runs across the—— part of the—- region and communicates with—— branch of ——-nerve Then enters the—— and gives several branches and finally pierces the—— and ends in the——
narrowest upper ;lateral zygomatic; maxillary lacrimal gland oribital septum upper eyelid
32
Lacrimal nerve and zygomatic branch of maxillary nerve communicate on the ——-
Lacrimal gland
33
largest branch of opthalmic nerve is the ——?
FRONTAL NERVE
34
FRONTAL NERVE - runs forward between—- and—- - divides into 2 branches——- in the orbit:—-,——
levator palpebral periosteum midway supratrochlear supraorbital
35
Which is bigger? supratrochlear or supraorbital
supratrochlear
36
——gives filament to join infratrochlear and —— gives twigs to pericranium
Supraorbital Supratrochlear
37
Anterior branches from—— mandibular nerve includes ——-,——-,—— ,———
divided external pterygoid masseter nerve buccal nerve nerves to temporal muscle(ant and post deep)
38
Posterior branches from—— mandibular nerve includes——-,——-,——-
divided auriculotemporal nerve lingual nerve inferior alveolar nerve
39
Branches from—- mandibular nerve includes ——-and——
undivided nervous spinosus nerve to internal pterygoid
40
GANGLIONS?? Just say what you know —-ganglion —-ganglion ——-ganglion ——-ganglion
Ciliary Otic Submandibular Pterygopalatine
41
Maxillary nerve of trigeminal nerve is from—— of—- ganglion , passes through—-opening in the skull to enter the—- fossa - from that fossa it passes through the ——-to enter the——- - then though the——- groove,canal, and foramen to give——
middle; semilunar foramen rotundum pterygopalatine inferior orbital fissure orbital cavity infraorbital; terminal branches
42
List the Branches of the maxillary division of trigeminal nerve
zygomaticotemporal zygomaticofacial posterior superior alveolar branch Middle superior alveolar branch Anterior superior alveolar branch
43
zygomaticotemporal: - exits the zygomatic bone on its—- surface - pierces the—— to supply skin over the—- - receives a branch from—- nerve - communicates with—- nerve and—— nerve
medial temporal fascia; temple lacrimal facial auriculotemporal
44
zygomaticofacial: - exits the zygomatic bone on its—— surface - supplies skin over—— - communicates with—- nerve and ——branch of maxillary
lateral malar prominence facial inferior palpebral
45
Points of origin of the posterior, middle, and anterior superior alveolar branch of the maxillary nerve
Posterior :pterygopalatine fossa Middle:posterior part of Infraorbital canal Anterior: just before the maxillary nerve exits the Infraorbital foramen
46
INNERVATION of hard palate -sensory: .—— . Both from—— division .—- palatine(middle and posterior)-supplies uvula, tonsil, soft palate
greater and nasal palatine maxillary lesser

ANA 203 (26 decks)

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