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A215 Lab - Muscles of the Head
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Last updated 12:33 PM on 9/22/22
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11 Terms
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1
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frontal belly of occipitofrontalis
moves eyebrows; wrinkles skin of forehead
- superficial
- muscle of facial expression
2
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occipital belly of occipitofrontalis
retracts scalp
- superficial
- muscle of facial expression
3
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orbicularis oculi
closes eyelids(blinking, winking, and squinting)
- superficial
- muscle of facial expression
4
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zygomaticus major
retracts and elevates corner of mouth(smiling)
- superficial
- muscle of facial expression
5
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orbicularis oris
closes and protrudes(puckers) lips(kisses, whistling)
- superficial
- facial expression
6
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temporalis
elevates and retracts mandible(closes jaw)
- deep
- muscle of mastication
7
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genioglossus
depresses and protracts tongue
- mastication
8
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hyoglossus
depresses and retracts tongue
- mastication
9
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masseter
elevates mandible(closes jaw)
- deep
- muscle of mastication
10
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buccinator
compresses cheek against cheek
- deep
- muscle of mastication
11
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platysma
draws down the lower lip and angles of the mouth; tenses skin of the neck; helps depress mandible
- superficial
- muscle of facial expression