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muscle of facial expression - Coggle Diagram
muscle of facial expression
Levator labii superioris
INSERTION
Upper lip
Inferior attachment
NERVE
CN VII (Facial Nerve)
ACTION
Elevates upper lip
ORIGIN
Maxilla just below the orbital margin
Superior attachment
Orbicularis iris
ORIGIN
Maxilla
Mandible
skin in the medial plane
INSERTION
Angle of the mouth
NERVE
CN VII (Facial Nerve)
ACTION
Spincter of mouth
Orbiculalis oculi
ACTION
Tightly closes the eye (orbital part)
Blinking (palpebral part)
INSERTION
Skin around the orbital margin
ORIGIN
Lacrimal bone
Medial palpebral ligament
Medial orbital margin
NERVE
CN VII (Facial Nerve)
Buccinator
INSERTION
Angle of the mouth
NERVE
CN VII (Facial Nerve)
ORIGIN
Pterygomadibular raphe
The lateral surface
of the alveolar processes
of the Maxilla and Mandible
ACTION
Compresses cheek against molar teeth
Keeping food on the occlusal surface during chewing
Depressor anguli oris
INSERTION
Angle of the mouth
NERVE
CN VII (Facial Nerve)
ACTION
Depresses the angle of the mouth
ORIGIN
Mandible
Zygomaticus major
ORIGIN
Zygomatic bone
INSERTION
Angle of the mouth
NERVE
CN VII (Facial Nerve)
ACTION
Draws angle of mouth
Supreriorly
posteriorly
Depressor labii inferioris
INSERTION
Lower lip
Superior attachment
NERVE
CN VII (Facial Nerve)
ACTION
Depresses Lower lip
ORIGIN
Mandible