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Flashcards in Salivary Glands Deck (67)
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The most important function of the salivary glands?

To maintain the well being of the mouth

1

Deficiency in saliva would cause? (2)

  • Difficulty in eating, swallowing, speech
  • Prone to infection and caries

2

Production rate of saliva per hour?

Per day?

200ml/hr

1-1.5L/day

3

Component of saliva?

99.5% water

0.5% organic and inorganic

4

A major salivary enzyme that helps digest carbohydrate?

Amylase or ptyalin

5

pH of saliva?

5.6-7.6 (6.8)

6

Functions of saliva? (6)

  • Protection
  • Buffering
  • Digestion
  • Taste
  • Antimicrobial
  • Maintenance of tooth integrity

7

Provides lubrication and forms a barrier against noxious stimuli and minor trauma?

Mucin

8

Formed by calcium binding proteins which serves as a coating over the teeth?

Salivary pellicle

9

Which content of saliva provides barrier? Serous or mucous?

Mucous

10

Salivary content which agglutinates bacteria?

Antibodies

11

Hydrolyses the cell wall of bacteria?

Lysozyme

12

Binds to iron to make them unavailable to microorganism?

Lactoferrin

13

Enamel maturation?

  • Low permeability
  • Hight resistance to caries
  • High surface hardness

14

Classification of salivary glands according to nature of secretion?

Exocrine

15

Classification of salivary glands according to behavior?

Merocrine

16

Classification of salivary glands according to morphology?

Compound tubuloacinar

17

Classification of salivary glands according to type of secretory cells? (3)

  • Purely serous
  • Purely mucous
  • Mixed

18

How do you describe the secretion of saliva?

Intermittent

19

Parotid duct?

Stensen's duct

20

Submandibular duct?

Wharton's duct

21

Sublingual duct?

Bartholin's duct or Rivinian duct

22

Submandibular gland:

Type of secretion?

Amount?

Origin?

Development?

  • Mixed: 3/4 serous, 1/4 mucous
  • 60-65%
  • Endoderm
  • 6th week

23

Sublingual gland:

Type of secretion?

Amount?

Origin?

Development?

  • Mixed: 2/3 mucous, 1/3 serous
  • 10%
  • Endoderm
  • 8-12th week

24

Parotid gland:

Type of secretion?

Amount?

Origin?

Development?

  • Serous
  • 25%
  • Ectoderm
  • 4-6th week

25

It produces the highest amount of saliva?

Submandibular gland

26

Intrinsic glands that discharge saliva continuously?

Minor salivary glands

27

Minor salivary glands are found in what layer?

Lamina propria or submucosa

28

Function of minor salivary glands?

To keep the mucosa moist

29

Serous of mucous: labial glands?

Predominantly serous