1. Facial muscles
and its
expression
• Extent of the face
• Bones of the face
• Muscles of face
• Origin and insertion of muscles
• Movements associations
• Expressions
2. Extension of face
The area that extends from the superior margin of the forehead to the chin,
and from one ear to another.
Bones of face
• Inferior nasal concha x 2.
• Lacrimal bones x 2.
• Mandible.
• Maxilla x 2.
• Nasal bones x 2.
• Palatine bones x 2.
• Vomer.
• Zygomatic bones, or zygoma, x 2.
7. 2. Oribicularis Oculi
Orbital part
• Origin=Frontal p of maxillia
and nasal part of frontal
bone
• Ins=rings back to origin
• A=eyelid closure bright lig
Palpebral part
O=lateral part of medial palpebral
ligament
I=lateral palpebral raphe
A=close eyelids gently as in
sleeping
Lacrimal part
O=sheath of lacrimal sac
I=Tarsal plate of eyelids
A=dilation of lacrimal sac
8. Palpebral raphe
The lateral palpebral raphe is a ligamentous band near the eye. Its existence is
contentious, and many sources describe it as the continuation of nearby muscles.
It is formed from the lateral ends of the orbicularis oculi muscle.
