Salivary & Gastric Secretion and Gastric Mobility

Question 1

3 major pairs of salivary glands

Answer 1

Parotid
Submandibular
Sublingual

Question 2

What type of cell are salivary glands

Answer 2

endocrine (hormones)

Question 3

Components of a salivary gland

Answer 3

External capsule
Septae
Lobes/lobules

Question 4

What is a salivon

Answer 4

functional unit of gland

Question 5

Components of a salivon

Answer 5

Acinus
Intercalated Duct
Striated Duct

Question 6

Acinus

Answer 6

Acinal cells surrounding a lumen

Question 7

Acinal Cell types

Answer 7

Serous cells

Mucous cells

Question 8

Serous Acinal Cells

Answer 8

watery secretion
alpha-amylase
small secretory granules

Question 9

Mucus Acinal Cells

Answer 9

thick, mucous-rich

large, pale, secretory granules

Question 10

Intercalated Duct

Answer 10

Cuboidal epithelium

Question 11

Striated Duct

Answer 11

Columnar epithelium

Question 12

Parotid Gland Secretion

Answer 12

Serous cells

25%

Question 13

Submandibular Gland Secretion

Answer 13

Mixed

70%

Question 14

Sublingual Gland Secretion

Answer 14

Mucous

5%

Question 15

Two stages in the formation of saliva

Answer 15

Primary - Acinar cells

Secondary - Duct cells

Question 16

Primary secretion

Answer 16

Na+/K+/2Cl- triple transporter - raising Cl-

created electrochemical gradient driving Cl- efflux through apical membrane Ca2+ activated Cl- channels