Dilator naris muscle
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| Dilator naris muscle | |
|---|---|
| Muscles of the head, face, and neck. | |
| Latin | pars alaris musculi nasalis |
| Gray's | subject #107 382 |
| Origin | margin of the nasal notch of the maxilla, greater andlesser alar cartilages |
| Insertion | skin near the margin of the nostril |
| Artery: | |
| Nerve: | Buccal branch of the facial nerve |
| Action: | Dilation of nostrils |
| Dorlands /Elsevier | d_19/12297582 |
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The Dilator naris muscle is a part of the nasalis muscle. It is divided into posterior and anterior parts.
- The Dilator naris posterior is placed partly beneath the Quadratus labii superioris. It arises from the margin of the nasal notch of the maxilla, and from the lesser alar cartilages, and is inserted into the skin near the margin of the nostril.
- The Dilator naris anterior is a delicate fasciculus, passing from the greater alar cartilage to the integument near the margin of the nostril; it is situated in front of the Dilatator naris posterior muscle.
External links
- Mann DG, Sasaki CT, Fukuda H, Mann DG, Suzuki M, Hernandez JR (1977). "Dilator naris muscle". Ann. Otol. Rhinol. Laryngol. 86 (3 Pt 1): 362–70. PMID 869439.
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
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Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
