| Term | Definition |
|---|
| O Occipitalis | Occipital bone |
| I Occipitalis | Galea aponeurotica |
| A Occipitalis | Pulls scalp posteriorly |
| O Frontalis | Galea aponeurotica |
| I Frontalis | Skin of eyebrows |
| A Frontalis | Raise eyebrows; wrinkle forehead |
| O Corrugator supercillii | Frontal bone |
| I Corrugator supercillii | Skin of eyebrow |
| A Corrugator supercillii | Draws eyebrows together; wrinkles forehead |
| O Orbicularis oculi | Frontal and maxillary bones |
| I Orbicularis oculi | Tissue of eyelid |
| A Orbicularis oculi | Draws eyelids downward (blink, squint) |
| O Orbicularis oris | Maxilla and mandible (indirect) |
| I Orbicularis oris | Muscles and skin at edge of mouth |
| A Orbicularis oris | Closes lips; purses and protrudes lips (kiss) |
| O Bucinator | Maxilla and mandible |
| I Bucinator | Orbicularis oris |
| A Bucinator | Draws corner of mouth laterally |
| O Zygomaticus | Zygomatic bone |
| I Zygomaticus | Muscles and skin at edge of mouth |
| A Zygomaticus | Raises corners of mouth upwards |
| O Platysma | Fascia of chest |
| I Platysma | Lower margin of mandible |
| A Platysma | Depress mandible |
| O Risorius | Fascia of masseter |
| I Risorius | Angle of mouth |
| A Risorius | Draws lips laterally |
| O Levator labii superioris | Zygomatic and maxilla |
| I Levator labii superioris | Skin and muscle of upper lip |
| A Levator labii superioris | Opens lips; flares nostrils |
| O Depresser labii inferioris | Mandible |
| I Depresser labii inferioris | Skin and muscle of lower lip |
| A Depresser labii inferioris | Draws lower lip downward |
Combine with other sets
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