Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy Lab > MOINA of Facial Expressions > Flashcards

MOINA of Facial Expressions Flashcards

1
Q

Origin: lesser wing of sphenoid bone (anterior surface
Insertion: skin & fascia of upper eyelid
Nerve: Oculomotor (CN III)
Action: elevates upper eyelids

A

Levator Palpebrae Superioris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Origin: maxilla & mandible (posterior alveolar process of both bones)
Insertion: modiolus (lateral to angle of mouth)
Nerve: Facial Nerve (CN VII)
Action: compresses cheeks

A

Buccinator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Origin: facial bone above nose (lateral to glabella)
Insertion: medial portion of eyebrows
Nerve: Facial Nerve (CN VII)
Action: depresses eyebrows downward & medially; “thinker’s brow”

A

Corrugator Supercilli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Origin: oblique line of mandible; lateral aspect of mental tubercle of mandible
Insertion: modiolus (near angle of mouth)
Nerve: Facial Nerve (CN VII)
Action: depresses mouth (frown)

A

Depressor Anguli Oris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Origin: mandible (between symphysis & mental foramen
Insertion: skin & fascia of lower lip
Nerve: Facial Nerve (CN VII)
Action: lower lip downward & laterally; everts lower lip

A

Depressor Labii Inferioris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Origin: incisive fossa of maxilla
Insertion: septum & alar cartilage of nose
Nerve: Facial Nerve (CN VII)
Action: constricts nostrils

A

Depressor Septi Nasi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Origin: galea aponeurotica
Insertion: skin & fascia above nose & eyes
Nerve: Facial Nerve (CN VII)
Action: draws scalp posteriorly; raises eyebrows (surprise)

A

Frontalis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Origin: below infraorbital foramen of maxilla
Insertion: modiolus (near angle of mouth)
Nerve: Facial Nerve (CN VII)
Action: elevates angle of mouth; smile

A

Levator Anguli Oris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Origin: medial to infraorbital foramen of maxilla
Insertion: upper lip muscles
Nerve: Facial Nerve (CN VII)
Action: elevates & everts upper lip

A

Levator Labii Superioris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Origin: frontal process of maxilla
Insertion: lateral slip: upper lip muscles; medial slip: alar cartilage of nose
Nerve: Facial Nerve (CN VII)
Action: elevates & everts upper lip; constricts nostrils

A

Levator Labii Superioris Alaeque Nasi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Origin: incisive fossa of mandible
Insertion: skin & fascia of chin
Nerve: Facial Nerve (CN VII)
Action: elevates & everts lower lip; wrinkles chin

A

Mentalis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Origin: transverse part: maxilla (lateral to nose); alar part: maxilla, superior to canine alveolar process
Insertion: transverse part: opposite side nasalise over upper cartilage of nose; alar part: alar cartilage of nose (nasal wing)
Nerve: Facial Nerve (CN VII)
Action: flares nostrils (forced respiration)

A

Nasalis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Origin: lateral ⅔ of superior nuchal line & external mandibular protuberance
Insertion: galea aponeurotica
Nerve: Facial Nerve (CN VII)
Action: draws scalp posteriorly; raises eyebrows (surprise)

A

Occipitalis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Origin: orbital portion: nasal process of frontal bone; palpebral portion: palpebral ligament; lacrimal portion: lacrimal crest of lacrimal bone
Insertion: circumferentially around orbit meeting at the origin
Nerve: Facial Nerve (CN VII)
Action: close eye tightly; squinting of eyes; depresses upper eyelid; elevates lower eyelid (palpebral part)

A

Orbicularis Oculi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Origin: modiolus (lateral to angle of mouth)
Insertion: circumferentially around mouth; blends with other muscles
Nerve: Facial Nerve (CN VII)
Action: closes mouth; protrudes lips (puckering of lips)

A

Orbicularis Oris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Origin: subcutaneous fascia (deltoid-pectoral region)
Insertion: mandible & subcutaneous fascia of lower face
Nerve: Facial Nerve (CN VII)
Action: tenses skin over lower neck (creates ridge in skin); depress mandible & lower lip

A

Platysma

17
Q

Origin: nasal bone & cartilages
Insertion: skin & fascia between eyebrows
Nerve: Facial Nerve (CN VII)
Action: medial eyebrow downward (menacing expression); wrinkles skin of superior nose

A

Procerus

18
Q

Origin: parotid fascia (superficial to masseter)
Insertion: modiolus (near angle of mouth)
Nerve: Facial Nerve (CN VII)
Action: draws angle of mouth laterally (false smile)

A

Risorius

19
Q

Origin: zygomatic bone (anterior to zygomatic-temporal suture)
Insertion: modiolus (near angle of mouth)
Nerve: Facial Nerve (CN VII)
Action: elevates angle of mouth (smiling); pulls angle of mouth laterally

A

Zygomaticus Major

20
Q

Origin: zygomatic bone (posterior to zygomaticomaxillary suture)
Insertion: skin, fascia, & muscles of upper lip
Nerve: Facial Nerve (CN VII)
Action: elevates, everts upper lip (smile)

A

Zygomaticus Minor

21
Q

Origin: zygomatic arch of temporalis
Insertion: angle of mandible
Nerve: Trigeminal Nerve (V3); Mandibular Branch
Action: closes (elevates) the jaw

A

Masseter

22
Q

Origin: medial surface of lateral pterygoid plate
Insertion: medial aspect of the angle of mandible
Nerve: Trigeminal Nerve (V3); Mandibular Branch
Action: closes/elevates jaw

A

Medial/Internal Pterygoid

23
Q

Origin: temporal fossa of temporalis and sphenoid
Insertion: coronoid process of mandible
Nerve: Trigeminal Nerve (V3); Mandibular Branch
Action: anterior fibers: closes (elevates) jaw, middle + posterior fibers: retract mandible (open jaw)

A

Temporalis

24
Q

Origin: superior head: greater wing of sphenoid; inferior head: lateral pterygoid plate
Insertion: joint capsule of condylar process
Nerve: Trigeminal Nerve (V3); Mandibular Branch
Action: protrusion of the jaw; only muscle of the masticators to protrude the jaw

A

Lateral/External Pterygoid

Anatomy Lab (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions