nasalis

noun

na·​sa·​lis nā-ˈzā-ləs How to pronounce nasalis (audio) -ˈsā- How to pronounce nasalis (audio)
: 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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Cite this Entry

“Nasalis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/nasalis. Accessed 18 Jul. 2024.

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