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Muscles
Muscles: action, origin, insertion
10
Anatomy
Undergraduate 2
11/07/2007

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Cards

Term
Frontalis
Definition
A: Raise Eyebrows, Wrinkles forehead
O: Galea aponeurotica
I: Skin of eyebrow, nose
Term
Occipitalis
Definition
A: Tenses and retracts the scalp
O: Occipital Bone, Mastoid
I: Galea Aponeurotica
Term
Temporalis
Definition
A: Elevate mandible
O: Temporal lines of skull
I: Coronoid process of mandible
Term
Zygomaticus Major
Definition
A: Elevate, retract corner of mouth, smile muscle
O: Zygomatic bone
I: corner orbicularis oris
Term
Nasalis
Definition
A: Compresses bridge of nose, elevates nostril corners
O: Maxillary bone, cartilage
I: Bridge of nose
Term
Masseter
Definition
A: Elevates mandible
O: zygomatic arch
I: mandible (lateral ramus)
Term
Orbicularis Occuli
Definition
A: Closes eyelids
O: Medial orbit bones
I: Skin of eyelid
Term
Orbicularis Oris
Definition
A: Closes lips, puckers, shapes lips for speech
O: Maxillary bone, mandible
I: Mucosa of lips
Term
Buccinator
Definition
A: Compresses cheeks, creates suckling action infants
O: Maxillary bone, mandible
I: Orbicularis Oris
Term
Mentalis
Definition
A: Elevates, protrudes the lower lip (pout)
O: Fossa on mandible
I: skin of chin
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