Regional differences of oral mucosa-1

Question 1

Buccal mucosa

Answer 1

inside lining of the cheeks; part of the lining mucosa.

Question 2

Labial mucosa

Answer 2

inside lining of the lips; part of the lining mucosa.

Question 3

Labial and buccal mucosa is which kind of epithelium

Answer 3

Non-keratinized epithelium

Question 4

What lamina propria contain (Labial and buccal mucosa)

Answer 4

elastic fibers and collagen fibers giving the irregular and blunt connective tissue papillae the ability to stretch and return to its original shape

Question 5

Histological features of Labial and Buccal mucosa

Answer 5

Submucosa- contain adipose tissue and minor salivary glands, giving the tissue its compressibility and moisture

Submucosa is firmly attached to underlying muscle, thus preventing the tissue from interfering during mastication

Question 6

Why is lamina propria pinkish appearance

Answer 6

has an extensive vascular

Question 7

Histological features of alveolar mucosa

Answer 7

Absent of connective tissue sometimes

minor salivary glands and many elastic fibers and this giving the tissue moisture and increase motility

loosely attached to underlying muscle or bone, increase the ability of tissue to move

Question 8

Histological features of floor of the mouth and ventral tongue surface

Answer 8

extremely thin non-keratinized epithelium

extensive lamina propria

submucosa consists loose connective tissue with adipose tissue and include submandibular and sublingual salivary glands. Giving the tissue its compressibility and moisture

submucosa loosely attached to underlying bone and muscle, giving the tissue its movability when the attached tongue moves during mastication and speech

Question 9

PIGMENTATION (attached gingiva)

Answer 9

Have small cytoplasmic granules called melanosomes (store melanin pigment)

they inject this into the neighboring newly formed epithelial cells of the basal layer

Question 10

Shape of Mucogingival junction

Answer 10

Scalloped junction between pinker attached gingiva and redder alveolar mucosa

Question 11

Most common sites for Oral cancer

Answer 11

soft palate complex
floor of the mouth