FACE MUSCLES ANATONMY

1. FACE MUSCLES

2. Face
• The muscles of facial expression may be subdivided
into epicranial, circumorbital and palpebral, nasal,
and buccolabial groups.

3. • Epicranius
 Occipitofrontalis

4. Circumorbital and palpebral muscle group
 Orbicularis oculi
 Corrugator supercilii
 Levator palpebrae superioris.

5. Circumorbital and palpebral muscle group

6. • Nasal muscles
 Procerus
 nasalis
 depressor septi

7. Buccolabial muscle group
• levator labii superioris alaeque nasi, levator
labii superioris, zygomaticus major and
minor, levator anguli oris and risorius
• Depressor labii inferioris, depressor anguli
oris, and mentalis
• Orbicularis oris, incisivus superior and
inferior); and buccinator.

8. • Levator labii
superioris alaeque
nasi
• Levator labii
superioris
• Zygomaticus major
and minor
• Levator anguli oris
• Risorius

9. • Depressor labii
inferioris
• depressor anguli
oris
• mentalis

10. • Muscles produce movements of the facial
skin that reflect emotions, it is usually argued
that their primary function is to act as
sphincters and dilators of the facial orifices
and that the function of facial expression

11. • Embryologically, they are derived from the
mesenchyme of the second branchial arch
and so are innervated by the facial nerve.

12. frowning
surprise

13. grinning

14. grief

15. DOUBT
tension
and stress)

16. Nerves of Face
• motor innervation  Facial nerve.
• Cutaneous (sensory) innervation Trigeminal nerve

17. Motor supply

19. Bells palsy
• Infranuclear lesion of facial nerve

20. Sensory nerve supply
• Trigeminal nerve
• Cervical nerve

22. Arterial supply to the face
• The main arterial supply to the face is derived from
the facial and superficial temporal arteries, with
additional supply from branches of the maxillary
and ophthalmic arteries.

25. Veins of face

26. Dangerous area of face
• Upper lip
• Lower part of
nose