Lecture Quiz 2 - Salivary Glands

Question 1

what are exocrine glands

Answer 1

glands that have a duct
ex: major and minor salivary glands

Question 2

what are endocrine glands

Answer 2

glands that do not have a duct
ex: thyroid

Question 3

What are major salivary glands

Answer 3

glands that have a longer duct
-Parotid
-Submandibular
-Sublingual

Question 4

what are minor salivary galnds

Answer 4

glands that secrete saliva direct into the mouth; very short duct

Question 5

What is the histological configuration of salivary glands

Answer 5

made up of specialized epithelial cells that produce saliva and form a grape cluster shape (acini)

Question 6

what cells make up the salivary glands and what do they do

Answer 6

secretive cells- cells that become gland tissue
duct cells- cells responsible for creating hollow tubes
serous cells- produce saliva
mucous cells-produce mucin

Question 7

Parotid Gland
-Location
-saliva amount and type
-associated ducts

Answer 7

-located in front and below the ear
-produces 25% of overall saliva; saliva is serous
-Stenson’s Duct

Question 8

Submandibular Gland
-location
-saliva type and amount
-associated ducts

Answer 8

-located at the angle of the mandible
-mixed saliva; produces 65%
-Wharton’s Duct

Question 9

Sublingual Gland
-location
-saliva type and amount
-associated ducts

Answer 9

• located on the floor of the mouth on either side of the midline
• produces 10%; mixed secretion
  -Bartholin’s duct(empties under tongue) and ducts of rivinus (sublingual fold)

Question 10

Minor salivary glands
-location
-saliva type and amount
-associated ducts

Answer 10

• tip of tongue, labial and buccal mucosa, posterior dorsum of tongue
  -serous saliva; about 10 %
• ducts are unnamed
• about 600-1000
  -uncaptured(not surrounded by CT)

Question 11

characteristics of saliva

Answer 11

-99% water
-colorless
-sticky

Question 12

What does saliva help us do?

Answer 12

Saliva helps with mastication by breaking down food

Question 13

What is saliva composed of ?

Answer 13

-salts (repairs tooth structure)
-glycoproteins (hooks up w bacteria and produces pellicle- the thin layer of protection covering the tooth)
-Protein
-Antimicrobial Agents (antibodies)
-WBC
-Epithelial cells
-bacteria (oral flora)

Question 14

Serous
-Composition
-description
-where does it come from

Answer 14

-a substance that is high in protein and low in carbs
-serous glands produce amylase that helps with the digestion of carbs
-watery consistency
-comes from lips, cheeks anterior floor of mouth

Question 15

Mucous
-What is it composed of
-Function
-description
-where does it come from

Answer 15

– a substance low in proteins and high in carbohydrates
-secretes mucin
-keeps the mouth moist
-thicker consistency
-comes from sublingual and submandibular gland

Question 16

what is a mixed gland

Answer 16

produces both amylase and mucin