Facial Muscles (Origin, Insertion, and Action)
About this set
Created by:
krystal3733 on March 31, 2011
Subjects:
Classes:
MERP December 2012, Jonathan's Learning Center
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33 terms
Terms | Definitions |
|---|---|
 Origin of Buccinator | Alveolar process of maxilla and mandible |
| Insertion of Buccinator | Orbicularis Oris M. |
| Action of Buccinator | Compresses cheek into the teeth for chewing. |
| Origin of Orbicularis Oris | Maxilla and Mandible |
| Insertion Orbicularis Oris | Skin around lips |
| Action Oribicularis Oris | Pucker lips |
| Origin Frontalis | Epicranial Aponeurosis |
| Insertion Frontalis | Skin around eyebrows |
| Action of Frontalis | Wrinkles Brow |
| Origin Platysma | Subcutaneous tissue surrounding clavicle |
| Insertion of Platysma | Base of mandible, skin of cheeks, orbicularis oris m. |
| Action of Platysma | Frowning and depression of mandible |
| Origin of Mentalis | Anterior Mandible |
| Insertion of Mentalis | Mental protuberance |
| Action of mentalis | puckers lower lip up (pouting) |
| Origin Risorius | Parotid Fossa |
| Insertion Risorius | Corner of mouth |
| Action Risorius | Raises corner of mouth (smiling) |
| Origin of Orbicularis Oculi | Frontal bone, lacrimal bone |
| Insertion orbicularis oculi | eyelids |
| Action orbicularis oculi | closes the eye lids. |
| Origin of Zygomaticus | Zygomatic bone |
| Insertion of Zygomaticus | Corner of mouth and upper lip |
| Action of Zygomaticus | raises the upper lip (smiling) |
| Origin of Masseter | Zygomatic arch and Maxilla |
| Insertion of Masseter | Ramus of Mandible |
| Action of Masseter | Elevation of mandible (chewing) |
| Origin of Temporalis | Temporal lines of temporal bone |
| Insertion of Temporalis | Coronoid Process of Mandible |
| Action of Temporalis | Elevation and retraction of mandible. |
| Origin of Sternocleidomastoid | Manubrium and medial portion of clavicle. |
| Insertion of Sternocleidomastoid | Mastoid Process |
| Action of Sternocleidomastoid | Tilts and rotates head. |
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