Citation, DOI & article data
Citation:
Bell, D. Depressor labii inferioris muscle. Reference article, Radiopaedia.org. (accessed on 26 May 2022) https://doi.org/10.53347/rID-98968
The depressor labii inferioris muscle, also known as quadratus labii inferioris muscle, is one of the facial muscles.
Summary
-
origin: oblique line of the mandible, medial to the mental foramen
-
insertion:
- modiolus at the angle of the mouth
- ascends to medially insert into lower lip
-
innervation: facial nerve
-
action: depresses the lower lip in a mild lateral direction
- 1. Chummy S. Sinnatamby. Last's Anatomy. (2011) ISBN: 9780702033940 - Google Books
- 2. FIPAT. Terminologia Anatomica. 2nd Ed. FIPAT.library.dal.ca. Federative International Programme for Anatomical Terminology, 2019. https://fipat.library.dal.ca/TA2/
- 3. Gray, H. Anatomy of the Human Body. Philadelphia: Lea & Febiger, 1918; Bartleby.com, 2000. www.bartleby.com/107/
- 4. Choi Y, We Y, Lee H et al. Three-Dimensional Evaluation of the Depressor Anguli Oris and Depressor Labii Inferioris for Botulinum Toxin Injections. Aesthet Surg J. 2021;41(6):NP456-61. doi:10.1093/asj/sjaa083 - Pubmed
Promoted articles (advertising)
Unable to process the form. Check for errors and try again.