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MOINA COMPILED > FACIAL EXPRESSION > Flashcards

FACIAL EXPRESSION Flashcards

1
Q

Levator Palpabrae Superioris

A

O: lesser wing of sphenoid bone (anterior surface)
I: upper eyelid (fascia & skin)
N: Oculomotor Nerve (CN III)
A: elevates upper eyelid

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2
Q

Buccinator

A

O: maxilla & mandible (posterior alveolar process of both bones); pterygomandibular raphe
I: modiolus (just lateral to the angle of the mouth)
N: facial nerve (CN VII)
A: compresses cheeks

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3
Q

Corrugator Supercilii

A

O: frontal bone just above nose (lateral to glabella)
I: skin of medial portion of eyebrows
N: facial nerve (CN VII); zygomatic branch
A: draws eyebrows downward & medially (thinker’s brow)

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4
Q

Depressor Anguli Oris

A

O: along oblique line of mandible; lateral aspect of mental tubercle of mandible
I: modiolus (near angle of mouth)
N: facial nerve (CN VII)
A: depresses angles of mouth (frown)

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5
Q

Depressor Labii Inferioris

A

O: mandible (between symphysis and mental foramen)
I: skin & fascia of lower lip
N: facial nerve (CN VII)
A: draws lower lip downward & laterally; everts lower lip

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6
Q

Depressor Septi Nasi

A

O: incisive fossa of maxilla
I: septum & alar cartilage of nose
N: facial nerve (CN VII)
A: constricts nostrils

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7
Q

Frontalis

A

O: galea aponeurotica
I: skin & fascia above nose & eyes
N: facial nerve (CN VII)
A: draws scalp posteriorly to raise eyebrows & wrinkle brow (surprise)

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8
Q

Levator Anguli Oris

A

O: below infraorbital foramen of maxilla
I: modiolus (near angle of mouth)
N: facial nerve (CN VII)
A: elevates angle of mouth (smiling)

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9
Q

Levator Labii Superioris

A

O: medial inferior orbital margin of maxilla
I: upper lip muscles
N: facial nerve (CN VII)
A: elevates upper lip; everts upper lip

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10
Q

Levator Labii Superioris Alaeque Nasi

A

O: frontal process of maxilla
I: lateral slip: upper lip muscles; medial slip: alar cartilage of nose
N: facial nerve (CN VII)
A: elevates upper lip; flares nostrils; everts upper lip

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11
Q

Mentalis

A

O: incisive fossa of mandible
I: skin & fascia of chin
N: facial nerve (CN VII)
A: elevation of lower lip; everts lower lip; wrinkles skin of chin

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12
Q

Nasalis

A

O: transverse part: maxilla (lateral to nose); alar part: maxilla, superior to canine alveolar process
I: transverse part: opposite side nasalis over upper cartilage of nose; alar part: alar cartilage of nose (nasal wing)
N: facial nerve (CN VII)
A: flares nostrils (particularly in forced respiration

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13
Q

Occipitalis

A

O: lateral 2/3 of superior nuchal line & EOP
I: galea aponeurotica
N: facial nerve (CN VII); posterior auricular branch
A: draws back scalp to raise eyebrows & wrinkle brow (surprise)

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14
Q

Orbicularis Oculi

A

O: orbital portion: nasal process of frontal bone; palpebral portion: palpebral ligament; lacrimal portion: lacrimal crest of lacrimal bone
I: circumferentially around orbit meeting at the origin
N: facial nerve (CN VII); zygomatic branch
A: closes eye tightly, squinting of the eye; depresses upper eyelid, elevates lower eyelid (palpebral part)

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15
Q

Orbicularis Oris

A

O: modiolus (just lateral to angle of mouth)
I: circumferentially around mouth; blends with other muscles
N: facial nerve (CN VII)
A: closes mouth; protrudes lips (puckering of lips)

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16
Q

Platysma

A

O: subcutaneous fascia (over deltoid-pectoral region)
I: mandible & subcutaneous fascia of lower face
N: facial nerve (CN VII)
A: tenses skin over lower neck (creates ridge in skin); depress mandible & lower lip

17
Q

Procerus

A

O: nasal bone & cartilages
I: skin & fascia between eyebrows
N: facial nerve (CN VII); superior buccal branches
A: draws medial eyebrow downward (menacing expression); wrinkles skin of superior nose

18
Q

Risorius

A

O: parotid fascia (superficial to masseter)
I: modiolus (near angle of mouth)
N: facial nerve (CN VII)
A: draws angle of mouth laterally (false smile)

19
Q

Zygomaticus Major

A

O: zygomatic bone (anterior to zygomatic-temporal suture)
I: modiolus (near angle of mouth)
N: facial nerve (CN VII)
A: elevates angle of mouth (smiling); pulls angle of mouth laterally

20
Q

Zygomaticus Minor

A

O: zygomatic bone (posterior to zygomaticomaxillary suture)
I: skin, fascia & muscles of upper lip
N: facial nerve (CN VII)
A: elevates upper lip (smile); everts upper lip

MOINA COMPILED (1 decks)

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