Muscles of the face origin, insertion, and function

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Zygomatic major Origin

Anterior surface of the zygomatic bone, immediately lateral to the zygomatic minor muscle.

Zygomatic minor Origin

Anterior surface of the zygomatic bone, immediately medial to the zygomatic major muscle.

Levator anguli oris Origin

Canine fossa of the maxilla.

Orbicularis oculi Function

Closes the eyelids, draws tears from the lacrimal glands into the eyes.

Orbicularis Oris Function

Closes the mouth and puckers the lips.

Buccinator Function

Compresses the lips and checks against the teeth and draws the corners of the mouth outward. Involved in chewing.

Platysma Function

Depresses and wrinkles the skin of the lower face and mouth; aids in the forced depression of the mandible.

Depressor anguli oris Function

Depresses the angle of the lip and assists in compressing the upper lip against the lower lip.

Mentalis Origin

Incisive fossa of the mandible.

Platysma Insertion

Inferior border of the mandible and skin over the lower face and angle of the mouth.

Levator labii superioris alaeque nasi Insertion

Lateral cartilages of the nose and the orbicularis oris. Inserts into the wing of the nostrils and UL (flares the nose)

Orbicularis oculi Insertion

Lateral palpebral raphe.

Risorius Origin

Fascia of the masseter muscle.

Orbicularis oculi Origin

Nasal process of the frontal bone, frontal process of the maxilla and palpebral ligament.

Orbicularis Oris Origin

Near midline on the anterior surfaces of the maxilla and mandible.

Levator labii superioris Function

Elevates and everts the upper lip.

Levator labii superioris alaeque nasi Function

Elevates the upper lip.

Zygomatic minor Function

Elevates the upper lip.

Mentalis Function

Elevates, protrudes, everts the lower lip, and wrinkles the skin of the chin.

Epcranius frontalis Origin

Epicranial aponeuroses

Levator labii superioris alaeque nasi Origion

Frontal process and infraorbital margin of the maxillae.

Levator labii superioris Origin

Lower margin of the orbit of the eye, maxilla, and zygomatic bone.

Orbicularis Oris Insertion

Mucous membrane of the margin of the lips and raphe with the buccinators.

Buccinator Insertion

Muscle fibers of both the upper and lower lips.

Depressor labii inferioris Origin

Oblique line of the mandible near the mental foramen.

Depressor anguli oris Origin

Oblique line of the mandible.

Depressor anguli oris Insertion

Orbicularis oris at the angle of the mouth and the upper lip.

Depressor labii inferioris Insertion

Orbicularis oris of the lower lip.

Zygomatic minor Insertion

Orbicularis oris of the upper lip

Zygomatic major Insertion

Orbicularis oris of the upper lip and skin of the corner of the mouth.

Buccinator Origin

Pterygomandibular raphe, lateral surface of the alveolar process of the maxilla, and the mandible in the region of the third molars.

Zygomatic major Function

Pulls the angle of the mouth upward and outward.

Levator anguli oris Function

Pulls the corner of the mouth upward and assists in closing the mouth by pulling the lower lip upward.

Corrugator Function

Pulls the eyebrows downward and inward, thereby wrinkling the skin of the forehead between the eyes.

Depressor labii inferioris Function

Pulls the lower lip downward and outward.

Risorius Function

Pulls the mouth angle outward (smiling).

Epcranius frontalis Function

Raises the eyebrows and causes the skin on the forehead to wrinkle horizontally.

Corrugator Insertion

Skin above the medial arch of the eyebrows.

Mentalis Insertion

Skin of the chin.

Risorius Insertion

Skin of the corner of the mouth and muscle fibers of the lower lip.

Epcranius frontalis Insertion

Skin of the forehead near the eyebrows.

Platysma Origin

Skin over the lower neck and upper lateral chest.

Corrugator Origin

Superciliary arch of the frontal bone.

Levator anguli oris Insertion

Upper lip and angle of the lower lip

Levator labii superioris Insertion

Upper lip between the levator angulis oris and levator labii superior alaeque nasi.


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