tri·​an·​gu·​la·​ris trī-ˌaŋ-gyə-ˈlar-əs How to pronounce triangularis (audio)
plural triangulares -ˈlar-ˌēz How to pronounce triangularis (audio)
: a flat triangular muscle that extends from the base of the mandible to the angle formed by the joining of the upper and lower lips and that acts to depress this angle

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Cite this Entry

“Triangularis.” Medical Dictionary, Merriam-Webster, Accessed 12 Jun. 2024.

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