Craniofacial mm Flashcards Preview

Anatomy (THORAX) > Craniofacial mm > Flashcards

Flashcards in Craniofacial mm Deck (9)
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1
Q

Buccinator [L. bucca, cheek]

A

attachments- from alveolar processes of the maxilla & mandible, pterygoid hamulus & pterygomandibular raphe to the angle of the mouth

function- compresses cheek

innervation- buccal branch of the facial n.

2
Q

Depressor anguli oris

A

attachments- from mandible to angle of mouth

function- depresses angle of mouth laterally

innervation- buccal & mandibular branch of the facial n.

3
Q

Frontalis

A

attachments- from the superficial fascia of the eyebrows to the epicranial aponeurosis

function- protracts the scalp or elevates eyebrows & nose

innervation- temporal branch of the facial n.

4
Q

Levator labii superioris

A

attachments- from the inferior orbital margin to the lateral aspect of the upper lip

function- raises & everts upper lip

innervation- buccal & zygomatic branches of the facial n.

5
Q

Nasalis

A

attachments- from the maxilla lateral & inferior to the nasal notch to the bridge & ala of the nose

function- transverse fibers compress & alar fibers widen the nasal aperture

innervation- buccal branch of facial n.

6
Q

Orbicularis oculi

A

attachments- from orbital margin & medial palpebral lig. to superficial fascia of the eyelid

function- a palpebral sphincter (closes eyes)

innervation- temporal & zygomatic branches of the facial n.

7
Q

Orbicularis oris

A

attachments- from the angle of the mouth to the superficial fascia of the upper lip

function- an oral sphincter (closes mouth)

innervation- buccal & mandibular branches of the facial n.

8
Q

Platysma (G. platys, flat, broad)

A

attachments- from the lower border of the mandible to the superficial fascia of the skin of the neck overlying the clavicle

function- wrinkles the anterior nuchal skin

innervation- cervical branch of the facial n.

9
Q

Zygomaticus major [G. zygon, yoke, a joining or pair]

A

attachments- from zygomatic bone to angle of the mouth

function- raises the angle of mouth

innervation- buccal & zygomatic branches of the facial n.