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Buccal Mucosa
Digestive System

Buccal Mucosa

Tunica mucosa buccalis

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Structure/Morphology

The buccal mucosa lines the internal surface of the cheeks. It is formed by lining mucosa which contains nonkeratinized stratified squamous epithelium (Standring, 2016).

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Related parts of the anatomy

Key Features/Anatomical Relations

The buccal mucosa receives the parotid duct at the second upper molar.

Function

The buccal mucosa acts as a barrier against the external environment, such as preventing injury, water loss, and microbial invasion.

References

Standring, S. (2016) Gray's Anatomy: The Anatomical Basis of Clinical Practice., 41st edition. Elsevier Limited.

Learn more about this topic from other Elsevier products

Buccal Mucosa

ScienceDirect image

Broad asymptomatic plaques usually involve the buccal mucosa bilaterally and may extend to the ventral surface of the tongue, labial mucosa, soft palate, alveolar mucosa, and the floor of the mouth.

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