Muscle of the Head, Face, and Scalp Region
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22 terms
Terms | Definitions |
|---|---|
 auricularis- interior | elevates the ear |
| auricularis- posterior | elevates and retracts the ear |
| auricularis- superior | elevates and retracts the ear |
| buccinator | aids in chewing of food and compression of the cheeks |
| corrugator | causes the eyebrows to draw medially and downward (frowning expression) |
| depressor anguli oris | depresses the angle of the mouth (grieving expression) |
| depressor labii inferior | depresses lower lip |
| depressor septi | causes the nostrils to close inward |
| pterygoideus lateralis | assists in chewing and protrusion |
| levator anguli oris | elevates the corners of the mouth |
| levator labii superioris | elevates the upper lip |
| nasalis | enlarges or compresses the nostrils so the nostrils will either flare in or flare out |
| masseter | clenches the teeth, elevates the jaw, assists in chewing |
| pterygoideus medialis | elevates and protracts the lower jaw, assists in chewing |
| mentalis | causes the lower lip to protrude and rise (expression of doubtfulness) |
| orbicularis oris | causes the lips to protrude and compress |
| occipitofrontalis | moves the scalp backwards and forwards (raises eyebrows, causes surprised expression) |
| procerus | causes the eyebrows to draw down and in medially |
| risorius | causes the mouth to retract backwards (grinning expression) |
| temporalis | elevates the jaw and clenches the teeth |
| temporoparietalis | draws back the skin of the temples (tightens the scalp) |
| zygomaticus | causes the mouth's angles to draw upward and backwards (causes a laughing face) |
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