Muscles of the facial region

MUSCLES OF THE FACIAL REGION

The muscles of the facial region are decribed as follows

Superficial muscle /cutaneous muscle

  • This is well developed and extensive.
  • It covers whole of the frontal region-frontalis muscle.
  • The part of the muscle extending over the lower jaw and the masseter and buccinator and blending with the orbicularis oris and in the angle of the mouth it is called as the retractor anguli oris .

The muscles of the lips and cheeks

  • Orbicularis oris
  • Levator nasolabialis
  • Levator labii superioris proprius
  • Levator labii superioris proprius accessorius
  • Dilator naris lateralis (Caninus)
  • Depressor labii superioris
  • Zygomaticus
  • Incisivus superior
  • Incisivus inferior (levator labii inferioris)
  • Mentalis
  • Buccinator
  • Levator buccalis
  • Depressor labii inferioris

Muscles of the nostrils

  • Levator naso labialis
  • Dilator naris lateralis
  • Dilator naris apicalis
  • Dilator naris superioris (dorsal part )
  • Dilator naris inferioris (ventral part)
Last modified: Saturday, 15 October 2011, 8:34 AM