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Muscles - function - subset
Muscle function of those listed for Lab Exam III
17
Anatomy
Professional
12/01/2010

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Cards

Term
Buccinator
Definition
compresses cheek
Term
Depressor anguli oris
Definition
depresses buccal angle laterally
Term
Levator anguli oris
Definition
raises angle of mouth
Term
Mentalis
Definition
raises lower lip
Term
Orbicularis oculi
Definition
palpebral sphinchter
Term
Zygomaticus major
Definition
raises the buccal angle
Term
Masseter
Definition
elevation, protraction and retraction (deep fibers) the mandible
Term
Temporalis
Definition
elevation & retraction (posterior aspect of the muscle) of the mandible
Term
Lateral Pterygoid
Definition
protraction of the mandible & acts with the ipsilateral medial pterygoid to rotate the mandible to produce the side-to-side movements during trituration of food
Term
Medial Pterygoid
Definition
elevation of the mandible & acts with the ipsilateral lateral pterygoid to rotate the mandible to produce the side-to-side movements during trituration of food
Term
Anterior digastric
Definition
depression of the mandible or elevation of the hyoid
Term
Posterior digastric
Definition
depression of the mandible or elevation of the hyoid
Term
Geniohyoid
Definition
elevation & anterior displacement of the hyoid; or depression of mandible with fixed hyoid
Term
Mylohyoid
Definition
elevation of the floor of the oral cavity
Term
Sternocleidomastoid
Definition
flexion of the head & neck, & contralateral rotation of the head
Term
Genioglossus
Definition
protrusion of the tongue
Term
Levator labii superioris aleque nasi
Definition
raises & everts upper lip
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