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Mucosa of Soft Palate
Digestive System

Mucosa of Soft Palate

Tunica mucosa palati mollis

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Structure/Morphology

The mucosa of the soft palate is the posterior continuation of the mucosa of the hard palate as it slopes in a posteroinferior direction between the oral cavity and the nasopharynx. The uvula is an inferior projection of the posterior border of the soft plate.

Unlike the masticatory mucosa of the hard palate, the soft palate is lined with lining mucosa meaning that it is coated with a nonkeratinized epithelium.

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Key Features/Anatomical Relations

The anterior one third of the soft palate is primarily a rigid structure; however, the posterior portion is mobile. The uvula moves in a superoposterior direction to close the junction between the nasopharynx and the oropharynx during deglutition.

Function

The mucosa of the soft palate acts as a barrier against the external environment, such as preventing injury and microbial invasion.

Learn more about this topic from other Elsevier products

Soft Palate

ScienceDirect image

The soft palate is a tissue organ whose known primary function is to prevent reflux of air and liquids into the nasopharynx during speech and swallowing, respectively.

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