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DEN 7109 > Trigeminal nerve V > Flashcards

Trigeminal nerve V Flashcards

1
Q

lacrimal nerve

A

lateral aspect of the upper eyelid

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2
Q

supraorbital branch of frontal nerve

A

conjunctiva, mucosa of frontal sinus, skin of forehead, upper eyelid

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3
Q

supratrochlear branch of frontal nerve

A

skin of lower portion of the midline of the forehead, conjunctiva, skin of upper eyelid

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4
Q

infratrochlear nerve

A

sensation from medial angle of upper eyelid and the lacrimal sac

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5
Q

external nasal nerve

A

branch of anterior ethmoidal nerve, supplies median strip of external nose below the nasal bones

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6
Q

Ethmoidal nerves

A

sensory from ethmoidal air cells

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7
Q

Ciliary nerves

A

sensory from mucosa of the eyeball and the cornea

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8
Q

Inferior palpebral branches of infraorbital nerve

A

sensation from skin and conjuntiva of lower lid

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9
Q

Lateral nasal branches of infraorbital nerve

A

sensation from lateral portion of external nose

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10
Q

Superior labial branches of infraorbital

A

sensation from skin and mucous membrane of upper lip

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11
Q

Zygomaticotemporal nerve

A

skin of zygomatic prominence and lateral forehead

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12
Q

Zygomaticofacial nerve

A

skin of zygomatic prominence and medial aspect of cheek

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13
Q

sensory pathways of max.nerve go to what structure in the face?

A

labial, buccal, and lingual gingiva

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14
Q

labial and buccal gingiva

A
  • Overlying central incisors, lateral incisors and canines – branches of anterior superior alveolar nerves and labial branches of infraorbital nerve.
  • Overlying premolars-branches of the middle superior alveolar nerve
  • Overlying 1st, 2nd and 3rd molars – branches of posterior superior alveolar nerve
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15
Q

lingual (palatal) gingiva

A
  • Incisors and canines- nasopalatine nerve

- Maxillary premolars and molars –greater palatine nerve

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16
Q

Sensory Pathways of the Maxillary Nerve go to whichTeeth?

A
  • Central incisor, lateral incisor and canines – anterior superior alveolar nerve
  • 1st, 2nd premolars and mesiobuccal root of the 1st molar – middle superior alveolar nerve
  • Remainder of 1st molar, 2nd molar and 3rd molar – posterior superior alveolar nerve.
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17
Q

nasal branched of max. nerve innervate what structure?

A

mucosa of the nasal cavity

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18
Q

Pharyngeal branches of max. nerve

A

mucosa of the superior portion of the pharynx

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19
Q

Middle meningeal nerve of max. nerve

A

given off within the cranium directly distal to Semilunar ganglion

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20
Q

inferior alveolar branch of man. nerve goes to which teeth?

A

Incisors, canines and premolars

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21
Q

gingival branches of the buccal branch of the mandibular nerve go to which teeth?

A

man. molars

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22
Q

gingival branches of the lingual nerve goes to which teeth?

A

lingual gingivae

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23
Q

inferior alveolar branch of man. nerve goes to which teeth?

A

all man. teeth

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24
Q

nervous spinosus gives sensory to what structure?

A

sensory to the meninges

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25
Q

Long buccal nerve gives sensory to what structure?

A

skin of the cheek, skin and mucous

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26
Q

Mental nerve gives sensory to what structure?

A

skin of the chin and skin and mucous membrane of the lower lip

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27
Q

Auriculotemporal nerve

A

-skin over zygomatic, buccal and mandibular portions of cheek
-skin over helix, tragus and external auditory meatus of the ear
-tympanic membrane of the ear
articular branches to the posterior portion of the TMJ
-superficial temporal branches supplying skin over the temporal region

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28
Q

Where does trigeminal nerve come out of when leaving the brain?

A

Mid pons

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29
Q

When the trigeminal nerve leaves the brain, what does it contain?

A

General somatic afferent and brachial efferent/motor

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30
Q

What nervous system is it associated with?

A

Peripheral nervous system

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31
Q

What are other names for the trigeminal ganglion?

A

Gasserian; semilunar

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32
Q

Where is the trigeminal ganglion located?

A

Petrous portion of the temporal bone

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33
Q

What cavity is it located in and what is it surround by?

A

Meckel’s cave – surrounded by dura mater

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34
Q

Trigeminal sensory goes through which nerves?

A

Ophthalmic, maxillary, mandibular

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35
Q

Trigeminal motor goes through which nerve?

A

Mandibular

36
Q

What are the branches of the ophthalmic nerve and what do they innervate?

A
  • Lacrimal (lateral aspect of your upper eyelid)
  • frontal (supraorbital- conjunctiva, frontal sinus mucosa, skin of forehead, upper eyelid;
  • supratrochlear- skin of lower portion of midline of forehead, conjunctiva, skin of upper eyelid),
  • infratrochlear (median angle of the upper eyelid and lacrimal sac),
  • external nasal (branch of ethmoidal nerve, supplies median strip of external nose below nasal bone),
  • ethmoidal nerve (sensory from ethmoid hair cells), cilary (sensory of mucosa of eyeball and cornea)
37
Q

External nasal is a branch of what nerve, which is a branch of what nerve?

A

External nasal is a branch of the ethmoidal nerve which is a branch of the ophthalmic nerve

38
Q

In regards to ciliary reflex, what nerves is associated with sensory?

A

Ciliary nerves

39
Q

In regards to ciliary reflex, what nerves is associated with motor and which muscle does it affect?

A

Facial nerve (CN 7); orbicularis oculi

40
Q

What does orbicularis oculi do specifically?

A

It pulls the eyelid down

41
Q

What foramen does the maxillary nerve exit the skull out of?

A

Foramen rotundum

42
Q

Exiting the skull, what fossa does the maxillary nerve head into?

A

Pterygopalatine fossa

43
Q

What nerve does the maxillary nerve continue on as?

A

Infraorbital nerve

44
Q

What canal does it exit out of?

A

Infraorbital canal

45
Q

True or false? The pteryogopalatine ganglia is part of the maxillary system?

A

F

46
Q

Phayngeal branch of the pterygopalatine ganglion travels through which canal?

A

Palatovaginal canal

47
Q

Which nerve does TASTE go to?

A

Facial nerve

48
Q

What are the facial branches of the maxillary nerve and where do carry sensation from?

A
  • Inferior palpebral (skin and conjunctiva of lower eyelid),
  • lateral nasal (lateral portion of external nose),
  • superior labial (skin and mucosa of upper lip),
  • zygomaticotemporal (skin of zygomatic prominence and lateral forehead)
  • zygomaticofacial (skin of zygomatic prominence and medial aspect of the cheek)
49
Q

What nerve is involved with the central and lateral incisors, and canine gingiva?

A

Anterior superior alveolar, labial branches of infraorbital

50
Q

What teeth does that middle superior alveolar nerve associate with?

A

Premolars 1 and 2, and mesiobuccal root of 1st molar

51
Q

Which nerves go to the lacrimal gland?

A

Zygomatic and zygomaticotemporal (NOT zygomaticofacial)

52
Q

What foramen does the mandibular nerve exit through that’s between the skull and infratemporal
Fossae?

A

Foramen ovale

53
Q

The anterior branch of the mandibular nerves ends as what nerve?

A

The “long buccal nerve of CN5” (sensory)

54
Q

Buccal nerve is associated with which cranial nerve?

A

CN 7 (facial)

55
Q

What nerves does the posterior branch of the mandibular nerve give off?

A

Lingual nerve, inferior alveolar nerve, auriculotemporal nerve

56
Q

Where do these nerves run?

A

Deep (posterior) aspect of the maxillary artery

57
Q

Which nerve runs both deep AND facial to the middle meningeal artery?

A

Auriculotemporal nerve

58
Q

What three things are associated with the lingual nerve (when in the oral cavity)?

A

Somatic afferent, taste, parasympathetic motor

59
Q

Where does it get taste and parasympathetic motor from?

A

Chorda tympani

60
Q

Which cranial nerve is the chorda tympani a branch of?

A

CN 7 (facial)

61
Q

What does the chorda tympani wrap around?

A

Tympanic membrane

62
Q

When lingual nerve runs into the oral cavity, what nerve does it run anterior to?

A

Inferior alveolar nerve

63
Q

When heading down into the mandible, what foramen does it go through?

A

Mandibular foramen

64
Q

Before doing through this foramen what nerve branch does it give off and what does it innervate?

A

Nerve to the Mylohyoid and anterior digastric

65
Q

What fissure is the chorda tympani running through to get to the infratemporal fossae?

A

Petrotympanic fissure

66
Q

Which cranial nerve is the lesser petrosal nerve a branch of?

A

CN 9 (glossopharyngeal)

67
Q

What aspect does the lingual nerve and inferior alveolar nerve run in reference to the maxillary artery?

A

On the deep/posterior aspect of maxillary artery

68
Q

What branch of maxillary artery that heads up to the foramen spinosum?

A

Middle meningeal

69
Q

Which nerve runs both deep and superficially to the middle meningeal artery?

A

Auriculotemporal nerve

70
Q

Auriculotemporal nerve is a branch of which nerve?

A

Mandibular nerve (posterior division)

71
Q

What is a fissure?

A

A divided line between two bones

72
Q

Which nerve innervates the gingiva of the incisors, canines and premolars?

A

Inferior alveolar nerve

73
Q

Which nerve innervates the gingiva of the mandibular molars?

A

Gingival branch of the buccal branch of the mandibular nerve

74
Q

Which nerve innervates the lingual gingiva?

A

Gingival branch of the lingual nerve

75
Q

All mandibular teeth are innervated by what nerve?

A

Inferior alveolar

76
Q

What is the pathway of sensory from the meninges leaving the skull and heading back into the skull?

A

Leaves the skull through the foramen spinosum, into the mandibular nerve, through the foramen ovale, to the gasserian ganglion, to the brainstem

77
Q

Which nerves merge together to supply taste to the tongue?

A

Chorda tympani and lingual nerve

78
Q

What nerves are associated with sensory on the mandibular nerve?

A

Nervous spinosus, long buccal, mental, auriculotemporal

79
Q

What muscles does brachial efferent go to?

A

4 muscles of mastication

80
Q

Pre-ganglionic fibers (parasympathetic) go to which ganglion before entering the auricolutemporal
nerve?

A

Otic ganglion

81
Q

Where do post-ganglionic sympathetic fibers that enter the auricolutemporal nerve come from?

A

Hop off of middle meningeal artery

82
Q

In what location does the lingual nerve and lingual artery meet?

A

Oral cavity

83
Q

Which arteries are parasympathetic fibers able to catch a ride on, to get to the lingual nerve?

A

Lingual and facial arteries

84
Q

Trigeminal neuralgia is due to the compression of the trigeminal nerve by surrounding vessels.
Which vessels can cause this compression?

A

Superior petrosal vein, aberrant branch of the middle meningeal, superior cerebellar artery

85
Q

How do parasympathetic impulses get to the lacrimal gland?

A

Super salvitory nucleus->facial nerve greater petrosal nerve
->pterygogoid canal -> pterygopalatine ganglion-> maxillary-> zygomatic->lacrimal gland

DEN 7109 (8 decks)

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