mandibular arch

noun

Medical Definition of mandibular arch

: the first branchial arch of the vertebrate embryo from which in humans are developed the lower lip, the mandible, the masticatory muscles, and the anterior part of the tongue

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“Mandibular arch.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/mandibular%20arch. Accessed 26 Nov. 2020.

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