Oral_Cavity_Overview

Oral_Cavity_Overview - Oral Cavity Overview The oral cavity...

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Oral Cavity Overview The oral cavity proper is located between the teeth and the palatoglossal folds. The oral vestibule lies between the lips and the teeth. The hard palate is formed primarily by the palatine processes of the maxillary bones. The horizontal processes of the palatine bones form the posterior third. The soft palate is located posterior to the hard. It is a fibromuscular septum that can be moved to close off the nasopharynx. Its posterior boundary includes the uvula which is a conical process hanging from the soft palate. The uvula contains muscles (musculus uvulae, palatopharyngeus) that are innvervated by the Vagus nerve (CN X). A lesion of CN X that affects these muscles will cause the uvula to deviate away from the side of the lesion. The fauces is the space between the oral cavity proper and the oropharynx. It is bounded laterally by the palatoglossal and palatopharyngeal folds (pillars). The submandibular salivary gland occupies most of the posterior part of the
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Oral_Cavity_Overview - Oral Cavity Overview The oral cavity...

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