Podcast
Questions and Answers
Which muscles are covered by the skin and lined inside with mucous membrane?
Which muscles are covered by the skin and lined inside with mucous membrane?
What connects the lips at the angles of the oral fissure?
What connects the lips at the angles of the oral fissure?
Where is the frenulum of the upper (lower) lip located?
Where is the frenulum of the upper (lower) lip located?
What is the function of the buccal fat pad?
What is the function of the buccal fat pad?
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What is the boundary of the oral vestibule?
What is the boundary of the oral vestibule?
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Study Notes
Oral Cavity Structure
- The muscles of facial expression, namely the orbicularis oris, buccinator, and mentalis, are covered by the skin and lined inside with mucous membrane.
Labial Frenulum
- The labial frenulum connects the lips at the angles of the oral fissure.
Labial Frenulum Location
- The frenulum of the upper lip is located between the maxillary central incisors, while the frenulum of the lower lip is located between the mandibular central incisors.
Buccal Fat Pad Function
- The buccal fat pad serves as a cushion to protect the oral cavity during mastication and speech.
Oral Vestibule Boundary
- The oral vestibule is bounded by the lips and cheeks externally, and the alveolar process of the maxilla and mandible internally.
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Description
Test your knowledge of the anatomy of the oral vestibule and lips in this quiz. Learn about the boundaries, connections, and muscles involved in this important area of the mouth.
