Face and parotid Flashcards


Location of most scalp infections
Loose areolar layer


Scalp Innervation



Occipitofrontalis muscle

Occipitofrontalis inertion and action
O: epicranial aponeurosis
I: skin over eyebrows
A: elevates eyebrows, wrinkles forehead



Orbicularis oculi M
Orbicularis oris muscle insertion and action
O: medial orbital rim (frontal, maxilla), medial palpebral ligament
I: skin around orbit, eyelids (tarsal plates)
A: closes eyelids (blinking, squinting)

Nasalis M
Nasalis attachments and action
O: maxilla
I: alar cartilage of nose
A: flares, compresses nostrils

Orbicularis oris m
Orbicularis oris attachments and action
O: medial maxilla and mandible
I: skin, mucosa of lips
A: oral sphincter, protrude lips

Zygomaticus major
Zygomaticus major attachments and action
O: Zygomatic bone
I: angle of mouth
A: pulls angle of mouth superiorly & laterally

Zygomaticus minor m
Zygomaticus minor attachments and action
O: Zygomatic bone
I: upper lip
A: elevates upper lip

Levator labii superioris M
Levator labii superioris M attachments and action
O: inf margin of orbit, sup. to infraorbital foramen
I: upper lip
A: elevates upper lip

Levator anguli oris M
Levator anguli oris M attachments and action
O: facial part of maxilla, inf to infraorbital foramen
I: angle of mouth
A: elevates angle of mouth
attachments too



Buccinator m








