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OS 204 > Head & Neck Muscles - Origin > Flashcards

Head & Neck Muscles - Origin Flashcards

1
Q

What is the origin of the frontalis muscle?

A

Fibers fused with the procerus and corrugator supericilii

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2
Q

What is the origin of the occipitalis muscle?

A

Lateral 2/3 of superior nuchal line

Mastoid process

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3
Q

What is the origin of the orbicularis oculi?

A

Nasal portion of frontal bone, frontal process of maxilla, lacrimal bone and medial palpebral ligament

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4
Q

What is the origin of the zygomaticus major?

A

Zygomatic bone

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5
Q

What is the origin of the zygomaticus minor?

A

Zygomatic bone

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6
Q

What is the origin of the orbicularis oris?

A

Median plane of maxilla (above) and mandible (below)

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7
Q

What is the origin of the depressor anguli oris?

A

Oblique line of the mandible

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8
Q

What is the origin of the buccinator?

A

Mandible, pterygomandibular raphe, alveolar processes of maxilla and mandible

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9
Q

What is the origin of the platysma?

A

Superficial fascia of pectoralis major and deltoid muscles

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10
Q

What is the origin of the levator palpebrae superioris?

A

Lesser wing of the sphenoid

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11
Q

What is the origin of the superior rectus?

A

Common tendinous ring or annulus of Zinn

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12
Q

What is the origin of the inferior rectus?

A

Common tendinous ring or annulus of Zinn

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13
Q

What is the origin of the medial rectus?

A

Common tendinous ring or annulus of Zinn

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14
Q

What is the origin of the lateral rectus?

A

Common tendinous ring or annulus of Zinn

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15
Q

What is the origin of the superior oblique?

A

Common tendinous ring or annulus of Zinn

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16
Q

What is the origin of the inferior oblique?

A

Floor of the orbit

17
Q

What is the origin of the temporalis?

A

Floor of temporal fossa and deep temporal fascia

18
Q

What is the origin of the masseter?

A

Inferior border and medial surface of zygomatic arch

19
Q

What is the origin of the medial pterygoid?

A

Deep head - medial surface of lateral pterygoid plate and pyramidal process of palatine

Superficial head - tuberosity of the maxilla

20
Q

What is the origin of the lateral pterygoid?

A

Superior head - infratemporal surface and infratemporal crest of the greater wing of the sphenoid

Inferior head - lateral surface of lateral pterygoid plate

21
Q
A

OS 204 (5 decks)

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