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Facial Expression Muscles
Origin, insertion, action, & innervation of muscles
8
Anatomy
Undergraduate 4
10/15/2010

Additional Anatomy Flashcards

 


 

Cards

Term

 

 

 

Frontalis

Definition

o:  Galea aponeurotica

 

i:  Subcutaneous tissue of eyebrows

 

a:  elevates eyebrows

 

n:  VII

Term

 

 

Occipitalis

Definition

o:  superior nuchal line and temporal bone

 

i:  Galea aponeurotica

a:  retracts scalp, fixation of scalp; not easily visible

n:  VII

Term

 

 

Orbicularis Oculi

Definition

o: Lacrimal bone

 

i:  Upper and lower eyelids

 

a:  Closes eye

 

n:  VII

Term

 

 Levator palpebrae superioris

Definition

o:  Posterior wall of orbit

 

i:  upper eye lid

 

a:  opening the eye

 

n:  III

Term

 

 

Orbicularis oris

Definition

o:  modiolus of mouth

 

i:  submucosa and dermis of lips

 

a: "kissing" muscles, closes lip, protruding of lips

 

n:  VII

Term

 

Zygomaticus major

Definition

o:  Zygomatic bone

 

i:  Muscles of upper lip

 

a:  Draw corners of lips upward, smile or laugh

 

n:  VII

Term

 

 

Buccinator

Definition

o:  Alveolar processes on lateral surfaces of maxilla and mandible

 

i:  Submucosa of cheek and lip

 

a:  compresses check against teeth & gums to help in chewing and to keep food and saliva in

 

n:  VII

Term

 

Platysma

Definition

o:  Fascia C.T. of upper chest

 

i.  mandible and submucosa of lower face

 

a:  Draws lower lop and mouth downward, pout

 

n:  VII

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