- Dilator naris muscle
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 and lesser alar cartilages Insertion skin near the margin of the nostril Artery Nerve Buccal branch of the facial nerve Actions Dilation of nostrils
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.
- 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.
List of muscles of head and neck: the head (TA A04.1, GA 4.378) Extraocular (CN III, IV, VI) Mastication (CN V3) Facial (CN VII) Palate/fauces (CN IX, X, XI)
Tongue (CN XII)
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