mouth http://id.loc.gov/authorities/subjects/sh85087988 http://purl.bioontology.org/ontology/MESH/D009055 http://purl.obolibrary.org/obo/UBERON_0000165 http://purl.org/sig/ont/fma/fma49184 https://en.wikipedia.org/wiki/Mouth https://www.wikidata.org/wiki/Q9635 Part of the oral cavity bounded laterally and ventrally by the alveolar arches and their contained teeth. Its roof is formed by the palate and it communicates posteriorly with the oropharynx. QL857 QM306 The proximal portion of the digestive tract, containing the oral cavity and bounded by the oral opening. In vertebrates, this extends to the pharynx and includes gums, lips, tongue and parts of the palate. Typically also includes the teeth, except where these occur elsewhere (e.g. pharyngeal jaws) or protrude from the mouth (tusks). mouths oral subdivision of face