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?

<p>Cheeks and lips (C)</p> Signup and view all the answers

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

<p>Allowing the mobility of the tongue (D)</p> Signup and view all the answers

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

<p>It is non-keratinized. (D)</p> Signup and view all the answers

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

<p>A layer of elastic fibers (B)</p> Signup and view all the answers

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

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

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

<p>They are short and few. (A)</p> Signup and view all the answers

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

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

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

<p>Non-keratinized (B)</p> Signup and view all the answers

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

<p>Mucous glands (D)</p> Signup and view all the answers

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

<p>Firmly attached lining mucosa (D)</p> Signup and view all the answers

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

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

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

<p>Vermilion zone (B)</p> Signup and view all the answers

Flashcards

Gingiva attachment

The gingiva is firmly attached to the underlying tissue.

Non-keratinized epithelium

Non-keratinized epithelium is characteristic of the non-keratinized mucosa.

Function of the oral mucosa

Allowing mobility of the tongue.

Location of non-keratinized mucosa

Cheeks and lips are lined by non-keratinized mucosa.

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Soft palate function

Allowing the mobility of the tongue.

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Soft palate epithelium

The epithelium is non-keratinized.

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Soft palate layers separated

A layer of elastic fibers separates the lamina propria from the submucosa.

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Ah line purpose

It marks the boundary between the hard and soft palate.

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Connective tissue papillae in soft palate

They are short and few.

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Oral mucosa in soft palate

It protects the underlying tissues from mechanical stress.

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Lip mucous membrane

Non-keratinized epithelium.

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Glands in soft palate

Mucous glands.

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Lining mucosa definition

Firmly attached lining mucosa.

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Mucous membrane function

To protect the underlying tissue from mechanical damage.

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Lip zone name

Vermilion zone

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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

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