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24 Cards in this Set
- Front
- Back
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what is the origin of the occipitofrontalis: occipital belly
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occipital bone
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what is the insertion of the occipitofrontalis
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galea aponeurotica
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what is the function of the occipitofrontalis
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draws scalp posteriorly
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what is the innervation of the occipitofrontalis
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Facial nerve VII
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What category of muscle is the occipitofrontalis: occipital belly
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muscle of facial expression: scalp
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What is the origin of occipitofrontalis: frontal belly
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galea aponeurotica
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what is the insertion of occipitofrontalis: frontal belly
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fascia and skin superior to eye and nose
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What is the innervation of occipitofrontalis: frontal belly
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facial nerve VII
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What is the function of the occipitofrontalis: frontal belly
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draws scalp anteriorly, raises eybrows, wrinkles skin of forehead horizontally as in a look of surprise
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What is the function of the orbicularis oris
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closes and protrudes lips, as in kissing: compresses lips against teeth; shapes lips during speech
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what is the origin of the orbicularis oris
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muscle fibers surrounding opening of mouth
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What is the insertion of the orbicularis oris
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skin at corner of mouth
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What category is the orbicularis oris in
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muscles of facial expression: mouth
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What is the innervation of the orbicularis oris
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Facial VII nerve
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What is the function of the zygomaticus major
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draws angle of mouth superiority and laterally, as in smiling
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What is the insertion of the zygomaticus major
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skin at angle of mouth and orbicularis oris
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What is the origin of the zygomaticus major
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zygomatic bone
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What is the innervation of the zygomatic major
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Facial nerve VII
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Zygomaticus major is a part of what catagory
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muscles of facial expression: mouth
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What is the zygomaticus minor's action
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raises(elevates) upper lip, exposing maxillary teeth
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What is the insertion of the zygomaticus minor
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upper lip
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What is the origin of the zygomaticus minor
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zygomatic bone
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What category does the zygomaticus minor belong
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muscles of facial expression: mouth
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What is the innervation of the zygomaticus minor
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facial nerve VII
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