Activity 7: Salivary Glands and Examining Salivary Gland Tissue

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1

How many pairs of salivary glands are there?

3

2

The 3 pairs of salivary glands empty their secretions into what cavity?

The oral cavity

3

What are the 3 pairs of salivary glands?

1. Parotid glands

2. Submandibular glands

3. Sublingual glands

4

The parotid glands are found anteriorly to what external head structures?

Found anteriorly to the ears

5

The parotid glands duct into the mouth over which molar through which duct?

Over the second upper molar through the parotid duct

6

The submandibular glands are located along which aspect of the mandibular body and where in the mouth exactly? (Hint: think floor)

Located along the medial aspect of the mandibular body on the floor of the mouth

7

The submandibular glands duct under which mouth organ to the base of which mouth structure?

Duct under the tongue to the base of the lingual frenulum

8

The sublingual glands are located how in relationship to the floor of the mouth?

Located most anteriorly in the floor of the mouth

9

Where do the sublingual glands empty (i.e. like under which specific organ), and by which ducts?

Empty under the tongue via several small small ducts.

10

How are the salivary glands stimulated to secrete saliva? (Hint: 2 ways)

1. By food in the mouth

2. Mechanical pressure (such as the chewing of anything)

11

Saliva consists primarily of what glycoprotein and what enzyme?

Consists of the glycoprotein mucin and the enzyme salivary amylase

12

What is the texture of glycoprotein?

Viscous

13

What are the 2 functions of mucin?

1. Moistens the food

2. Binds food into a bolus

14

Salivary amylase is what type of fluid in texture?

Serous fluid

15

What is the function of salivary amylase?

Starts the digestion of starch

16

Salivary amylase breaks down starch into what 2 carbohydrates?

1. Oligosaccharides

2. Disaccharides

17

Parotid gland secretion is mainly what?

Serous salivary amylase

18

Submandibular gland secretion is mainly what?

Viscous glycoprotein mucin and serous salivary amylase

19

Sublingual gland secretion is mainly what?

Viscous glocyprotein mucin

20
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