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Regional anatomy (7th cranial nerve)-facial nerve > Facial nerve (7th cranial nerve) > Flashcards

Facial nerve (7th cranial nerve) Flashcards

1
Q

what is the function of the facial nerve?

A

movement of facial expression

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2
Q

the route of the facial nerve
Exits the cranium through the …

A

Internal Auditory Meatus

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3
Q

Exits the cranium through the Internal Auditory Meatus which leads to the …

A

Facial Canal

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4
Q

The Facial Nerve exits the base of the skull at the

A

Stylomastoid Foramen

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5
Q

The Facial Nerve exits the skull from the stylomastoid foramen and provides the nerve supply to the….

A

Posterior belly of Digastric
Stylohyoid Muscle

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6
Q

The facial nerve then enters the…

A

parotid gland

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7
Q

Parotid gland, forms a plexus, and divides into

A

5 terminal branches

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8
Q

what do these 5 branches supply to the muscles of facial expression?

A

motor fibres

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9
Q

what are the 5 facial nerve branches

A

Temporal
Zygomatic
Buccal
Mandibular
Cervical

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10
Q

where does the temporal branch leave

A

Parotid gland

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11
Q

what does the temporal branch supply

A

The Temporal Region
The upper part of the Orbicularis Oculi
Muscles anterior to the ear.

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12
Q

small branch of zygomatic branch supplies

A

Inferior part of Orbicularis Oculi.

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13
Q

large branch of zygomatic branch supplies

A

Muscles of nose
andbetween the eye and the mouth.

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14
Q

where is the buccal branch

A

Runs towards the angle of the mouth and nose

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15
Q

what does the buccal branch supply

A

Buccinator
OrbicularisOris

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16
Q

what does the mandibular branch supply

A

The lower lipmuscles

17
Q

what does the cervical supply

A

The Platysma

18
Q

other branches of facial nerve - Chorda Tympani what is it responsible for

A

taste sensation to the anterior 2/3 of the tongue

19
Q

other nerve-
Glossopharyngeal 9th cranial nerve what kind of nerve is this

A

mixed nerve

20
Q

what is the function of the glossopharyngeal

A

taste sensation from posterior 1/3 of tongue

21
Q

other nerve -
hypoglossal 12 th cranial nerve what kind of nerve is this

A

motor nerve

22
Q

what does the hypoglossal nerve supply

A

supplies the tounge muscles

23
Q

other nerve -
accessory nerve 11th cranial nerve what kind of nerve is this?

A

motor nerve

24
Q

what does the accessory nerve supply

A

Palatoglossus (muscle of the soft palate & extrinisic muscle of the tongue)

Regional anatomy (7th cranial nerve)-facial nerve (1 decks)

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