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Regional Anatomy > nerve supply1- mandibular division of trigeminal > Flashcards

nerve supply1- mandibular division of trigeminal Flashcards

1
Q

what number of Cranial nerve is the trigeminal?

A

5th cranial nerve

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2
Q

At the Trigeminal ganglion, within the cranial cavity, the nerve splits into three divisions which are?

A

OPTHALMIC
MAXILLARY
MANDIBULAR

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3
Q

Opthalmic division what does it supply?

A

Supplies sensation to structures in and around orbit

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4
Q

is the trigeminal nerve sensory or motor

A

Both sensory and motor

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5
Q

is the ophthalmic nerve sensory or motor

A

sensory

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6
Q

what does the mandibular division supply?

A

Sensory supply to lower 2nd premolar and molars

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7
Q

is the mandibular branch sensory or motor?

A

sensory

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8
Q

ophthalmic division - Passes from cranium into orbital cavity through …

A

superior orbital fissure

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9
Q

The Mandibular branch of trigeminal leaves cranial cavity via…

A

foramen ovale

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10
Q

the mandibular branch of trigeminal Passes downwards in front of condyle, deep to ramus, giving off three branches before entering

A

inferior alveolar nerve

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11
Q

Now known as INFERIOR ALVEOLAR NERVE.
Travels forward through body of mandible in…

A

inferior alveolar canal

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12
Q

At level of premolars, divides into two terminal branches called ….

A

Incisive Nerve

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13
Q

Incisive Nerve
Continues through bone to supply…

A

lower incisors, canines and 1st premolar tooth

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14
Q

The Mental nerve Emerges through mental foramen supplying sensation to …

A

gingivae of incisors, canine and 1st premolar tooth

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15
Q

The Mental nerve also supplies…

A

mucous membrane of lower lip and skin of lip and chin

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16
Q

lingual nerve arises from mandibular nerve shortly after leaving

A

Foreman ovale

17
Q

the lingual nerve passes downwards and forwards deep to the …

A

ramus

18
Q

lingual nerve is joined by what facial nerve

A

chorda tympani

19
Q

initially the lingual nerve lies close to the …

A

inner body of the mandible

20
Q

At level of roots of 3rd molar, lingual nerve enters body of …

A

tongue

21
Q

Sensory nerve to anterior 2/3 of tongue
Branches supply what

A

lingual gingivae and floor of mouth

22
Q

buccal nerve- Before entering mandibular canal,
BUCCAL NERVE is given off
Supplies sensation to

A

buccal gingivae of 2nd premolar and molar teeth
surrounding mucosa

23
Q

Between foramen ovale and mandibular foramen, motor nerves to muscles of mastication given off

A

Masseter
Temporalis
Medial pterygoid
Lateral pterygoid
Also, mylohyoid and anterior belly of digastric

24
Q

what passes through the foramen rotundum?

A

maxillary division of trigeminal

25
Q

what passes through the foramen ovale?

A

the mandibular division of trigeminal

26
Q

what passes through the stylomastoid foramen

A

the facial nerve

Regional Anatomy (15 decks)

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