Salivary Glands

Question 1

Name the Associated glands (extra mural) of the digestive system

Answer 1

Salivary glands
Pancreas
Liver
Gallbladder

Question 2

Function of salivary glands

Answer 2

Produce saliva: digestive, lubricating & protective functions

Question 3

3 major pairs of salivary glands

Answer 3

Parotid
Submandibular
Sublingual

Question 4

What surrounds each salivary gland?

Answer 4

CT capsule

Question 5

What creates the structure of lobes?

Answer 5

CT capsule extends septa of CT that divide parenchyma into lobes

Question 6

Define parenchyma

Answer 6

Secretory units (glands) arranged as many acini

Question 7

Define acinus (pl. acini)

Answer 7

Blind sac composed of secretory cells

Question 8

3 types of acini

Answer 8

Serous
Mucous
Mixed

Question 9

Serous acini - cells

Answer 9

Only serous cells

Question 10

Serous acini secrete ____

Answer 10

proteins

Question 11

Serous acini shape

Answer 11

Cells pyramidal in shape, round basal nucleus, apical secretory granules

Question 12

Mucous acini - cells

Answer 12

Only mucous cells

Question 13

Mucous acini - shape

Answer 13

Cells pyramidal - somewhat columnar appearance, compressed basal nucleus, apical granules

Question 14

Mucous acini granules contain _____ which have _____ properties

Answer 14

Mucins
Lubricating properties

Question 15

Mixed acini - cells

Answer 15

Both serous & mucous cells

Question 16

Mucous acini have a cap of serous cells called ____

Answer 16

Serous demilunes

Question 17

Define duct system

Answer 17

3 sequential, enlarging segments

Question 18

Types of ducts

Answer 18

Intercalated
Striated (intralobular)
Excretory

Question 19

Intercalated duct leads from the ____

Answer 19

Acinus

Question 20

Intercalated duct lined by ____

Answer 20

Low cuboidal epithelium

Question 21

Striated (intralobular) ducts are lined by ____

Answer 21

Simple columnar epithelium

Question 22

What gives striated ducts their striated appearance?

Answer 22

Numerous infoldings of basal plasma membrane lined by mitochondria

Question 23

Purpose of mitochondria in striated ducts

Answer 23

Modify electrolyte components of saliva

Question 24

What are excretory ducts?

Answer 24

Large ducts that empty into oral cavity

Question 25

What are myoepithelial cells?

Answer 25

Small, flattened, contractile cells that lie beneath basal plasma membrane of epithelial cells of acini and basal lamina (basement membrane)

Question 26

Parotid gland location

Answer 26

Below and in front of ear

Question 27

Parotid gland only contains ____

Answer 27

Serous acini

Question 28

Parotid glands produce ____

Answer 28

Abundant Amylase

Question 29

Amylase function

Answer 29

Initiates hydrolysis of carbohydrates and proline-rich proteins with antimicrobial & other protective properties

Question 30

Submandibular gland location

Answer 30

Under either side of floor of mouth close to mandible

Question 31

Submandibular glands are ____ glands

Answer 31

Mixed glands - serous acini mixed with mucous serous caps

Question 32

Serous demilunes

Answer 32

Mucous acini with Serous caps (Mixed with serous acini in submandibular glands)

Question 33

Submandibular glands produce ____

Answer 33

Lysozyme

Question 34

Lysozyme

Answer 34

Hydrolysis of bacterial walls (also amylase & proline rich proteins)

Question 35

Sublingual glands location

Answer 35

Floor of mouth anterior to submandibular glands

Question 36

Sublingual glands are ____ glands, containing mostly _____

Answer 36

Mixed glands, mostly mucous acini

Question 37

Main product of sublingual glands is ____

Answer 37

Mucus