ok

Question 1

What are the three regions of the lip?

Answer 1

The exterior aspect, the vermilion, and the internal (mucosa) aspect.

Question 2

What type of epithelium covers the three aspects/regions of the lips?

Answer 2

Stratified squamous epithelium

Question 3

Where can kertinized simple squamos epithelium be found in the oral cavity?

Answer 3

Gingiva (gums), Hard palata.

Question 4

What is special about the lamina propria in the kertinized regions in the oral cavity?

Answer 4

LM rests directly on the bone in these regions

Question 5

Where can Non-kertinized simple squamos epithelium be found in the oral cavity?

Answer 5

Soft palate, cheeks, floor

Question 6

What type of lymphoid tissue does the oral cavity have?

Answer 6

Diffuse lymphoid tissue

Question 7

What are the features of the filiform papillae?

Answer 7

Smallest, Pointing backwards, long.

No tastebuds

Increase friction between food and tongue

Keratinized (Remember Cat)

Question 8

What are the features of the fungiform papillae? Why do they look red?

Answer 8

Have a few taste buds

Scattered around but not numerous

Look like fungi/mushrooms

Look red because of thin epithelium and rich blood vessels

Question 9

Where on the tongue can fungiform papiliae be found?

Answer 9

On the margin of the tongue

Question 10

What are the features of the Circumvallate papillae?

Answer 10

8-12

Largest

Dome shaped

Have numerous taste buds

Have invagnation around them

Associated with Ebner’s glands which drain into the invagination