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muscles of the face
muscles of the face
12
Anatomy
Graduate
07/25/2011

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Cards

Term

All the muscles of facial expression are innervated by the _____

Definition

All the muscles of facial expression are innervated by the Facial Nerve (CN VII).

Term
Muscles of the face (10)
Definition
  • frontalis
  • depressor anguli oris
  • zygomaticus major
  • levator labii superioris
  • orbicularis oris
  • buccinator
  • orbicularis oculi
  • levator palpebrae superioris
  • procerus
  • nasalis
Term
Frontalis
Definition

part of the scalp muscle called the occipitofrontalis; elevates the eyebrows

Term
Depressor Anguli Oris
Definition

depresses corner of mouth

Term
Zygomaticus Major
Definition

extends from zygomatic bone to the angle of mouth; draws angle up as in laughing

Term
Levator Labii Superioris
Definition

from infraorbital margin to upper lip; raises the upper lip

Term
Orbicularis Oris
Definition

sphincter of mouth; fibers encircle mouth; closes mouth

Term
Buccinator
Definition

thin, flat muscle that aids in mastication by pressing the cheeks against the teeth during chewing

Term
Orbicularis Oculi
Definition

sphincter of the eye; fibers encircle the eye and eyelids; closes the eye and forces out tears

Term
Levator palpebrae superioris
Definition
raises the eyelid
Term
Procerus
Definition

passes from the forehead over the bridge of the nose; draws the medial part of the eyebrow inferiorly

Term
Nasalis
Definition

transverse part - compresses the anterior nasal aperture;

alar part - widens the anterior nasal aperture

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