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Oral Palate Anatomy

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Questions and Answers

Which part of the oral mucosa is firmly attached to the underlying tissue?

Labial mucosa

Floor of the mouth

Gingiva (correct)

Buccal mucosa

Which type of epithelium is characteristic of the non-keratinized mucosa?

Keratinized

Cuboidal

Stratified squamous

Non-keratinized (correct)

What is one of the main functions of the oral mucosa?

Producing saliva

Allowing mobility of the tongue (correct)

Supporting the teeth

Regulating body temperature

Which part of the oral cavity is lined by non-keratinized mucosa?

Cheeks and lips (C) Signup and view all the answers

What is the function of the soft palate in relation to the oral mucosa?

Allowing the mobility of the tongue (D) Signup and view all the answers

What is the characteristic of the epithelium in the oral side of the soft palate?

It is non-keratinized. (D) Signup and view all the answers

What separates the lamina propria from the submucosa in the soft palate?

A layer of elastic fibers (B) Signup and view all the answers

What is the purpose of the Ah line in the soft palate?

It marks the boundary between the hard and soft palate. (D) Signup and view all the answers

What is the characteristic of the connective tissue papillae in the soft palate?

They are short and few. (A) Signup and view all the answers

What is the function of the oral mucosa in the soft palate?

It protects the underlying tissues from mechanical stress. (A) Signup and view all the answers

What type of epithelium is found on the mucous membrane side of the lip?

Non-keratinized (B) Signup and view all the answers

What type of glands are found in the submucosa of the soft palate?

Mucous glands (D) Signup and view all the answers

What is the term for the lining mucosa that is firmly attached to the underlying tissue?

Firmly attached lining mucosa (D) Signup and view all the answers

What is the function of the mucous membrane in the oral cavity?

To protect the underlying tissue from mechanical damage (B) Signup and view all the answers

What is the name of the zone that separates the skin and mucous membrane on the lip?

Vermilion zone (B) Signup and view all the answers

Study Notes

Soft Palate

The soft palate's epithelium is non-keratinized and continuous with the hard palate's epithelium
A line, known as the "healthy" or "Ah" line, separates the hard and soft palate
The lamina propria is separated from the submucosa by a continuous layer of elastic fibers, allowing for mobility

Mucous Membrane

Non-keratinized mucosa is found in the soft palate, tongue, buccal mucosa, floor of the mouth, and inferior surface of the tongue
The submucosa contains fat cells and mucous glands

Lip

The lip consists of a mucous membrane side and a skin side
The mucous membrane side has a vermilion zone and a non-keratinized stratified squamous epithelium
The skin side has sebaceous glands and hair follicles
Mixed glands are present in the lip, including salivary glands
A vermilion border separates the mucous membrane side from the skin side