nasalis
noun
na·sa·lis
nā-ˈzā-ləs 
-ˈsā-
-ˈsā-
: a small muscle on each side of the nose that constricts the nasal aperture by the action of a triangular transverse portion which draws the lateral part of the aperture upward and a quadrangular alar portion which draws it downward
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“Nasalis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/nasalis. Accessed 16 Apr. 2024.
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