HISTO: Oral Cavity

Question 1

What 2 parts make up the oral cavity?

Answer 1

Vestibule and Oral Cavity Proper

Question 2

What are the 3 salivary glands and where do they empty?

Answer 2

Partoid, submandibular, and sublingual; open into oral cavity

Question 3

What are the 3 type of mucosa?

Answer 3

Masticatory, specialized, and lining mucosae

Question 4

What layers of mucosa have SSE keratinized epithelium? parakeratinized? Non keratinized?

Answer 4

Masticatory and Specialized; Masticatory; Lining

Question 5

What type of epithelium have spare, short papillae?

Answer 5

Lining epithelium

Question 6

What type of epithelium have deep papillae?

Answer 6

Masticatory Mucosa

Question 7

What are the 4 types of lingual papillae?

Answer 7

Foliform, fungiform, circumvallate, and Foliate

Question 8

Which is the only type of papillae that doesn’t have taste buds?

Answer 8

Filiform papillae

Question 9

What type of papillae is the smallest and most numerous on the anterior 2/3rds?

Answer 9

Filiform papillae

Question 10

What type of papillae separates the anterior 2/3rds from the posterior 1/3rd of the tongue?

Answer 10

Circumvallates

Question 11

What are the 3 cell types of the taste buds?

Answer 11

Sensory cells, supporting cells, and basal cells

Question 12

What are the 5 tastes?

Answer 12

Sweet, salty, sour, bitter, and umami

Question 13

Where is the detection of bitterness limited to?

Answer 13

In the back of the tongue

Question 14

What are the major salivary glands?

Answer 14

Parotid, submandibular, and sublingual

Question 15

What are the 2 principal cells in the glands?

Answer 15

Serous Cells and Mucous Cells

Question 16

What do serous cells secrete?

Answer 16

watery substance w/ protein, amylase, and lysozymes

Question 17

What are clusters of cells in salivary glands called?

Answer 17

Acini or alveoli

Question 18

what are elongated contractile cells that surround the epithelial basal lamina?

Answer 18

Myoepithelial Cells

Question 19

What structure originates from a cine, that secrets and absorbs, and has a simple cuboidal epithelium?

Answer 19

Intercalated Ducts

Question 20

What substructures are salivary glands organized into?

Answer 20

Lobules

Question 21

What 2 ducts modify secretion?

Answer 21

intercalated and Striated Ducts

Question 22

What gland is composed purely of serous acini?

Answer 22

Parotid Gland

Question 23

What gland is mixed, but consists mostly of serous acini?

Answer 23

Submandibular gland

Question 24

What is the structure formed in sublingual glands in which the serous cells form a cap?

Answer 24

Serous Demilune