Oral Cavity Lips The lips, when opened, afford entrance of the liquid or food into the mouth. When closed, the lips, in conjunction with the front teeth and jaw, provide an anterior containment system so food or liquid does not escape. Anatomically, the lips can be divided into the upper and lower lip. Box 1.2 includes common anatomical markers of the lips. Box 1.2 Image Gallery: Lip Anatomy The orbicularis oris, a four quadrant, sphincter-like muscle with fiber attachments at the oral commissur
| Category | health-sciences |
|---|---|
| Subject | Rehabilitation, Personal and public health / health education, Children’s health, Educational: Personal and health education |
| Year | 2023 |
| Authors | |
| Chapters | 14 |
| Word Count | |
| Price | |
| Institution | University of New Mexico |
| License | Creative Commons - Attribution - https://creativecommons.org/licenses/by/4.0/ |