Salivary Glands

Question 1

Salivary glands are what type?

Answer 1

Exocrine

Question 2

Functions of saliva

Answer 2

1. Digestive
2. Lubricating
3. Proective

Question 3

Salivary glands are formed by?

Answer 3

Invagination of oral epithelium into lamina propria

Question 4

2 types of salivary glands

Answer 4

1. Major salivary glands

2. Minor salivary glands

Question 5

Major salivary gland size

Answer 5

Large

Question 6

Major salivary glands located?

Answer 6

Some distance from buccal cavity

Question 7

Excretory ducts in major salivary glands

Answer 7

Long

Question 8

Examples of major salivary glands

Answer 8

1. Parotid
2. Mandibular
3. Sublingual
4. Zygomatic

Question 9

Minor salivary gland size

Answer 9

Smaller

Question 10

Minor salivary glands located?

Answer 10

Close to buccal cavity

Question 11

Excretory ducts in minor salivary glands

Answer 11

Short

Question 12

Examples of minor salivary glands

Answer 12

1. Labial
2. Lingual
3. Buccal

Question 13

Features of all salivary glands

Answer 13

1. Compound
2. Exocrine
3. Lobulated
4. Merocrine
5. Almost all are mixed
6. Secrete saliva

Question 14

Sheep saliva production in 24 hours

Answer 14

1-4 L

Question 15

Horse saliva production in 24 hours

Answer 15

38 L

Question 16

Cattle saliva production in 24 hours

Answer 16

90-190 L

Question 17

Fresh meat stimulates ___ saliva

Answer 17

Viscous

Question 18

Dry food stimulates ____ saliva?

Answer 18

Watery

Question 19

2 animals which have conditioned reflex flow of saliva

Answer 19

1. Dogs

2. Pigs

Question 20

Animals which have unconditioned reflex flow of saliva

Answer 20

Ungulates

Question 21

Adenomere definision

Answer 21

Structural and functional unit of a gland

= secretory unit

Question 22

3 types of salivary glands

Answer 22

1. Serous
2. Mucus
3. Mixed

Question 23

4 shapes of salivary glands

Answer 23

1. Acinus
2. Tubular
3. Alveolar
4. Tubuloalveolar

Question 24

Serous cell

Shape:

Nucleus:

Staining:

Answer 24

Pyramidal

Round basal nuclei

Well stained RER (basophilic)

Question 25

Serous cells secrete?

Answer 25

1. Enzymes

2. Other proteins

Question 26

Serous cell lumen

Answer 26

Small

Question 27

Mucous cell

Shape:

Nucleus:

Staining:

Answer 27

Columnar

Compressed basalnuclei

Poorly stained cytoplasm

Question 28

Mucous cells secrete?

Answer 28

Mucin

Question 29

Mucous cell lumen?

Answer 29

Wide

Question 30

Myoepithelial cells found in?

Answer 30

Basal lamina

Question 31

Myoepithelial cell function

Answer 31

Contract and expel secretions out through ducts

Question 32

Flow of salivary gland secretions

Answer 32

Adenomere → 
Intercalated duct → 
Striated duct → 
Intralobular excretory duct → 
Interlobular excretory duct → 
Surface epithelium of oral cavity

Question 33

Parotid salivary glands are what type in humans and domestic animals?

Answer 33

Serous

Question 34

Parotid salivary glands are what type in puppies?

Answer 34

Mixed

Question 35

Parotid salivary gland is?

Answer 35

Compound

Question 36

Parotid salivary gland resembles?

Answer 36

Pancreas, except it has striated ducts and pancreas doesn’t

Question 37

Parotid salivary gland secretes?

Answer 37

a-amylase

Question 38

a-amylase initiates?

Answer 38

Carb hydrolysis

Question 39

Serous demilunes are prominently seen in?

Answer 39

Mandibular salivary gland

Question 40

Mandibular salivary gland secretes?

Answer 40

1. a-amylase

2. Lyzsozyme

Question 41

Which gland produces 2/3 of all saliva?

Answer 41

Mandibular salivary gland

Question 42

Smallest of major salivary glands

Answer 42

Sublingual salivary gland

Question 43

Sublingual salivary gland is what type?

Answer 43

Mixed

Question 44

Serous demilunes are very occasionally seen in?

Answer 44

Sublingual salivary gland

Question 45

Sublingual salivary gland secretes?

Answer 45

Mucin