Muscles of Mastication, Face, Jaw And Eye (O's And I's) Flashcards

1
Q

Masseter

A

O: Zygomatic arch

I: Angle and ramus of the mandible

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2
Q

Temporalis

A

O: Temporal fossa - parietal bone, frontal bone, temporal bone, sphenoid bone, and temporal fascia

I: Coronoid process and anterior ramus of mandible

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3
Q

Medial Pterygoid

A

O: Medial surface of lateral pterygoid plate of sphenoid bone and maxillary tuberosity

I: Angle and ramus of mandible

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3
Q

Lateral Pterygoid

A

O: Greater wing and lateral surface of lateral pterygoid plate of sphenoid bone

I: Condylar process of mandible and temporomandibular capsule and disc

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4
Q

Frontalis

A

O: Skin and fascia above supraorbital margin

I: Galea aponeurotica

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5
Q

Occipitalis

A

O: Superior nuchal line and mastoid process

I: Galea aponeurotica

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6
Q

Auriculares

A

O: Superior - galea aponeurotica
Anterior - superficial temporal fascia
Posterior - mastoid process

I: Cartilage of ear

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7
Q

Orbicularis Oculi

A

O: Orbital - medial wall of orbit and medial palpebral ligament
Palpebral - medial palpebral ligament

I: Orbital - circular path around orbit to medial wall of orbit and medial palpebral ligament
Palpebral - lateral palpebral ligament

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8
Q

Corrugator Supercilii

A

O: Medial end of superciliary arch of frontal bone

I: Medial skin of eyebrow

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9
Q

Procerus

A

O: Fascia covering nasal bone, nasal bone, and nasal cartilage

I: Skin between eyebrows

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10
Q

Levator Palpebrae Superioris

A

O: Inferior surface of the lesser wing of sphenoid bone

I: Skin of upper eyelid

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11
Q

Nasalis

A

O: Maxilla and cartilage

I: Skin over bridge of nose and alar of nose

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12
Q

Levator Labii Superioris

A

O: Maxilla superior to infraorbital foramen and zygomatic bone

I: Skin medial to angle of mouth and orbicularis oris

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13
Q

Zygomaticus Minor

A

O: Zygomatic bone

I: Skin of upper lip

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13
Q

Zygomaticus Major

A

O: Zygomatic bone

I: Skin at angle of mouth and orbicularis oris

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14
Q

Levator Labii Superioris Alaeque Nasi

A

O: Frontal process of maxilla

I: Skin medial to angle of mouth and orbicularis oris

15
Q

Orbicularis Oris

A

O: Muscle fibers surrounding opening of mouth

I: Skin and mucous membranes around mouth

16
Q

Superior Rectus

A

O: Tendinous ring on posterior wall of orbital cavity

I: Superior surface of eyes posterior to corneoscleral junction

16
Q

Risorius

A

O: Fascia over masseter

I: Skin at angle of mouth

16
Q

Buccinator

A

O: Alveolar processes of maxilla and mandible and pterygomandibular raphe

I: Orbicularis oris

17
Q

Mentalis

A

O: Alveolar process of mandible

I: Skin of chin and lower lip

17
Q

Depressor Anguli Oris

A

O: Body of mandible

I: Angle of mouth and blends into orbicularis oris

17
Q

Platysma

A

O: Deep fascia over anterior deltoid and pec major

I: Body of mandible, muscles, fascia, and skin around mouth

18
Q

Depressor Labii Inferioris

A

O: Body of mandible

I: Skin and blends into orbicularis oris

19
Q

Inferior Rectus

A

O: Tendinous ring on posterior wall of orbital cavity

I: Inferior surface of eyeball posterior to corneoscleral junction

20
Q

Medial Rectus

A

O: Tendinous ring on posterior wall of orbital cavity

I: Medial surface of orbital wall posterior to corneoscleral junction

21
Q

Lateral Rectus

A

O: Tendinous ring on posterior wall of orbital cavity

I: Lateral surface of orbital wall posterior to corneoscleral junction

22
Q

Superior Oblique

A

O: Posterior wall of orbital cavity

I: Passes through fascial pulley and is attached to superior surface of eyeball beneath superior rectus

23
Q

Inferior Oblique

A

O: Floor of orbital cavity

I: Lateral surface of eyeball deep to lateral rectus