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Anatomy > Muscles Of The Head > Flashcards

Muscles Of The Head Flashcards

1
Q

Occipitofrontalis

-frontalis belly

A

O: galea aponeurotica
I: skin above eyebrow
N: facial nerve
A: RAISES EYEBROW

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2
Q

Occipitofrontalis muscle

-occipital belly

A

O: galea aponeurotica
I: superior nuchal line of occipital bone
N: facial nerve
A: MOVES SCALP ON SKULL

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3
Q

Muscles of facial expression

A 
Orbicularis oculi
Corrugator supercilii
Compressor nasi
Dilator naris
Procerus
Orbicularis ori
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4
Q

Corrugator supercilii

A

O: Superciliary arch (superomedial angle of orbital origin)
I: skin of half eyebrow
N: temporal branch of FACIAL NERVE
A: VERTICAL WRINKLES OF FOREHEAD, AS IN FROWNING

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5
Q

Compressor nasi

A

O: frontal process of maxilla
I: aponeurosis of bridge of nose
N: buccal branch of FACIAL NERVE
A: COMPRESSES MOBILE NASAL CARTILADGE

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6
Q

Dilator naris

A

O: maxilla
I: ala of nose
N: BUCCAL BRANCH OF FACIAL NERVE
A: WIDENS NASAL APERTURE

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7
Q

Procerus

A

O: inferior ends of the nasal bone
I: skin between eyebrow
N: buccal branch of FACIAL NERVE
A: WRINKLES SKIN OF NOSE

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8
Q

Orbicularis ori

A

O: maxilla, mandible and skin
I: encircles oral orifice
N: BUCCAL BRANCH OF FACIAL NERVE
A: COMPRESSES LIPS TOGETHER

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9
Q

Dilator muscle of lips

A 
Levator labii superioris alaeque nasi
Levator labii superioris
Zygomaticus minor
Zygomaticus major
Levator anguli oris
Risorius
Depressor anguli oris
Depressor labii inferioris
Mentalis
Buccinator
Platysma
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10
Q

Levator labii superioris alaeque nasi

Angular head

A

O: upper part of frontal process of maxilla
I: into greater alar cartilage, skin of nose, lateral upper lip
N: zygomatic and buccal branch of facial nerve
A: elevates upper lip and dilates nostrils

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11
Q

ZYGOMATICUS MUSCLES

A

O: zygomatic arch
I: angle of mouth
N: zygomatic and buccal branch of facial nerve
A: minor-elevates upper lip
Major: draws angle of mouth backwards and upward

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12
Q

Levator labii superioris

A

O: infra-orbital margin
I: skin of upper lip
N: buccal branch of facial nerve
A: separates lips

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13
Q

Levator anguli oris

A

O: canine fossa
I: angle of mouth
N: BUCCAL BRANCH OF FACIAL NERVE
A: SEPARATES LIPS

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14
Q

Risorius

A

O: parotid fossa
I: angle of mouth
N: BUCCAL BRANCH OF FACIAL NERVE
A: SEPARATES LIPS

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15
Q

Depressor anguli oris

A

O: anterolateralbase of mandible
I: angle of mouth
N: MANDIBULAR BRANCH OF FACIAL NERVE
A: SEPARATES LIPS

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16
Q

Depressor labii inferioris

A

O: margin of lower lip
I: skin of lower lip
N: MANDIBULAR branch of facial nerve
A: separates lips

17
Q

Mentalis

A

O: symphysis menti
I: skin of chin
N: MANDIBULAR branch of facial nerve
A: ELEVATES AND PROTRUDES LOWER LIP; elevates skin of chin

18
Q

Buccinator

A

O: lateral surface of the alveoli of both the maxilla and mandible
I: angle of mouth
N: BUCCAL BRANCH OF FACIAL NERVE
A: PRESSES CHEEKS AGAINST TEETH, SUCKLING ACTIONS, POUTING AND PLACING FOOD BET. MOLAR

19
Q

Platysma

A

O: skin below clavicle, upper thorax
I: mandible, oral muscles
N: facial nerve
A: tenses skin of neck

20
Q

Muscles of mastication

A

Masseter
Temporalis
Lateral pterygoid
Medial pterygoid

21
Q

Masseter

A

O: zygomatic arch
I: lateral surface of Ramus of mandible
N: MANDIBULAR DIVISION OF TRIGEMINAL NERVE
A: ELEVATES MANDIBLE TO OCCLUDE TEETH

22
Q

Temporalis

A

O: floor of temporal fossa
I: coronoid process of manidible
N: MANDIBULAR DIVISION OF TRIGEMINAL NERVE
A: ANTERIOR AND SUPERIOR FIBERS ELEVATE MANDIBLE, POSTERIOR FIBERS RETRACT MANDIBLE

23
Q

Lateral pterygoid

A

O: greater wing of sphenoid and lateral pterygoid
I: neck of mandible and articular sac
N: MANDIBULAR DIVISION IF TRIGEMINAL NERVE
A: PULLS NECK OF MANDIBLE FORWARD

24
Q

Medial pterygoid

A

O: tuberosity of maxilla and lateral pterygoid plate
I: medial surface of angle of mandible
N: MANDIBULAR DIVISION OF TRIGEMINAL NERVE
A: ELEVATES MANDIBLE

25
Q

Muscle of the scalp

A

Occipitofrontalis

  • occipital belly
  • frontal belly

Anatomy (2 decks)

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