Dilator naris muscle

The dilator naris muscle is a part of the nasalis muscle. It is divided into posterior and anterior parts.

Dilator naris muscle
Muscles of the head, face, and neck.
Originmargin of the nasal notch of the maxilla, greater and lesser alar cartilages
Insertionskin near the margin of the nostril
NerveBuccal branch of the facial nerve
ActionsDilation of nostrils
LatinPars alaris musculi nasalis
Anatomical terms of muscle


This article incorporates text in the public domain from page 382 of the 20th edition of Gray's Anatomy (1918)

  • 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.

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