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Anatomy Block 3 > Muscle innervation > Flashcards

Muscle innervation Flashcards

1
Q

Occipitofrontalis

A

CN VII Facial nerve

pull eyebrows up

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2
Q

All facial muscles are innervated by what nerve?

A

Facial

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3
Q

Orbicularis Oris

A

Buccal and mandibular branches of the facial nerve

compress the lips together

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4
Q

Dialator muscles of the lips

A

buccal and mandibular, seperate lips

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5
Q

Buccinator

A

buccal branch of facial nerve

compress cheeks

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6
Q

Anterior and superior auricular muscles

A

Temporal branch of facial

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7
Q

frontal belly of occipitofrontalis

A

Temporal branch of facial

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8
Q

Orbicularis oculi

A

Temporal branch and Zygomatic branch of facial

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9
Q

Muscles of lower lip

A

Mandibular branch of facial

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10
Q

Platysma

A

Cervical branch of facial

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11
Q

Sternocleidomastoid

A

Accessory nerve (motor) and branches from ventral rami of C2 and C3 spinal nerves

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12
Q

Scalene muscles

A

Direct branches from ventral rami of cervical spinal nerves
Scalene anterior- C3-C6
Scalene Medius- C2-C7
Scalene Posterior- C4-C6

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13
Q

Omohyoid

A

Ansa Cervicalis (ventral rami C1-C3)

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14
Q

Sternohyoid

A

Ansa cervicalis (C1-C3)

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15
Q

Sternothyroid

A

Ansa cervicalis (C1-C3)

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16
Q

Thyrohyoid

A

C1 fibers via hypoglossal nerve

17
Q

Digastric posterior belly

A

Facial nerve

18
Q

Digastric anterior belly

A

Nerve to mylohyoid (branch of inferior aleolar nerve from V3)

19
Q

Stylohyoid

A

Facial nerve

20
Q

Mylohyoid

A

Nerve to mylohyoid

21
Q

Geniohyoid

A

C1 fibers via hypoglossal

22
Q

Longus capitis

A

Branches from ventral rami of C1 to C3 spinal nerves

23
Q

Longus colli

A

Branches from ventral rami of C2 to C6 spinal nerves

24
Q

Rectus capitis anterior

A

branches from loop between ventral rami of C1 and C2 spinal nerves

25
Q

Rectus capitis lateralis

A

Branches from loop between ventral rami of C1 and C2 spinal nerves

26
Q

What innervates the superior oblique?

A

CNIII Trochlear nerve

27
Q

What innervates the lateral rectus?

A

CNVI Abducens

28
Q

Temporalis

A

Anterior and posterior deep temporal nerves

29
Q

Masseter

A

Masseteric nerve

30
Q

Lateral Pterygoid

A

Lateral Pterygoid nerve

31
Q

Medial Pterygoid

A

Medial pterygoid nerve

32
Q

Tensor veli palatini

A

CN V

33
Q

Levator veli palatini

A

CN X

34
Q

Palatoglossus

A

CN X

35
Q

Palatopharyngeus

A

CN X

36
Q

Musculus Uvulae

A

CN X

37
Q

All tongue muscles are innervated by what?

A

CN XII Hypoglossal

38
Q

Palatoglossus is innervated by what?

A

pharyngeal branch of CN X

Anatomy Block 3 (14 decks)

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