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PNS > Divisons of Trigeminal Nerve > Flashcards

Divisons of Trigeminal Nerve Flashcards

1
Q

Branches of the trigeminal nerve

A

ophthalmic, maxillary, mandibular

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2
Q

The maxillary division carries what kind of information?

A

sensory ONLY

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3
Q

The maxillary division carries sensory information from what areas?

A

skin between the eyes and mouth, over the cheeks and temples, mucosa lining the maxillary sinuses, nasal conchae, palate, and gingiva

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4
Q

Four branches of the maxillary division

A

1) middle meningeal nerve
2) zygomatic nerve
3) 2-3 ganglionic branches
4) infraorbital nerve

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5
Q

The middle meningeal nerve is given off ____(before or after) the round foramen

A

before

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6
Q

The middle meningeal nerve carries sensory information from what areas?

A

meninges of the middle cranial fossa

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7
Q

Branches of the zygomatic nerve

A

1) communicating branch from the pterygopalatine ganglion to the lacrimal gland
2) zygomaticotemporal nerve
3) zygomaticofacial nerve

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8
Q

How does the zygomatic nerve enter the orbit?

A

through the inferior orbital fissure

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9
Q

The zygomatic nerve carries sensory information from what areas?

A

skin over the temple

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10
Q

The zygomaticofacial nerve carries sensory information from what areas?

A

skin over the cheek

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11
Q

The ganglionic branches carries sensory information from what areas?

A

upper pharynx, nasal cavity, and palate

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12
Q

The infraorbital nerve carries sensory information from what areas?

A

lower eyelid, skin over the upper jaw and the maxillary sinus

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13
Q

3 branches of the infraorbital nerve

A

1) posterior superior alveolar nerve
2) middle superior alveolar nerve
3) anterior superior alveolar nerve

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14
Q

The 3 branches of the infraorbital nerve carry sensory information from what areas?

A

the teeth

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15
Q

The mandibular division carries what kind of information?

A

motor and sensory

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16
Q

The mandibular division carries sensory information from what areas?

A

skin over the mandible, posterior cheek, posterior temple, mucosa of the lower oral cavity and cheeks

17
Q

The mandibular division carries motor information to what areas?

A

8 muscles of mastication

18
Q

Branches of the mandibular division

A

1) recurrent meningeal branch
2) medial pteryogoid nerve
3) anterior division
4) posterior division

19
Q

The recurrent meningeal nerve carries sensory information from what areas?

A

dura of the middle cranial fossa, anterior cranial fossa, and calvarium

20
Q

How does the recurrent meningeal nerve reenter the cranium?

A

foramen spinosum

21
Q

The medial pterygoid nerve supplies what?

A

medial pterygoid muscle, tensor veli palatine, and tensor tympani

22
Q

The anterior division of the mandibular nerve is predominately ____(motor or sensory)

A

motor

23
Q

The posterior division of the mandibular nerve is predominately ____(motor or sensory)

A

sensory

24
Q

The anterior division gives rise to what nerves?

A

1) masseter nerve
2) deep temporal nerve
3) lateral pterygoid nerve
4) buccal nerve

25
Q

The masseter nerve supplies what and carries sensory information from what areas?

A

motor: masseter; sensory: temporomandibular joint

26
Q

The deep temporal nerve gives rises to what branches?

A

1) anterior

2) posterior

27
Q

The deep temporal nerve supplies what?

A

temporalis muscle

28
Q

The lateral pterygoid nerve supplies what?

A

lateral pterygoid muscle

29
Q

The buccal nerve carries sensory information from what areas?

A

the cheek and the buccal gingivae of the molars

30
Q

The posterior division gives rise to what nerves?

A

1) auriculotemporal nerve
2) lingual nerve
3) inferior alveolar nerve

31
Q

The auriculotemporal nerve carries sensory information from what areas?

A

skin of the temple and ear

32
Q

The lingual nerve carries sensory information from what areas?

A

mucosa of the oral cavity

33
Q

Two branches of the inferior alveolar nerve

A

1) incisive branch

2) mental nerve

34
Q

The incisive branch carries sensory information from what areas?

A

incisors, canines, and 1st premolars and the adjacent gingivae

35
Q

The mental nerve carries sensory information from what areas?

A

labial gingivae adjacent to the incisors and the skin of the lower lip and chin

36
Q

The inferior alveolar nerve supplies what muscles?

A

mylohyoid and anterior belly of the digastric muscle

37
Q

Two automatic ganglia that communicate with the mandibular division

A

1) submandibular ganglion

2) otic ganglion

PNS (5 decks)

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