Medical Definition of oral cavity
: the cavity of the mouth
especially
: the part of the mouth behind the gums and teeth that is bounded above by the hard and soft palates and below by the tongue and by the mucous membrane connecting it with the inner part of the mandible
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“Oral cavity.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/oral%20cavity. Accessed 15 Jun. 2021.
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