3.6 The Histology of the Tongue and Salivary Glands

Question 1

What type of Epithelium lines the Dorsal Surface (paillae side) of the Tongue?

Answer 1

Keritanised Stratified Squamous Epithelium

Question 2

What type of Muscle Fibres underlie the Epithelium of the Tongue?

Answer 2

Striated Muscle

Question 3

What are Acini?

Answer 3

The Rounded, Secretory, Component of the Gland

Question 4

What are the 2 types of Acini which can be present in the Salivary Glands?

Answer 4

1. Serous Acini 2. Mucous Acini

Question 5

How do Serous Acini stain, in a H&E Stain?

Answer 5

Strongly, as they secrete the Protein

Question 6

How do Mucous Acini stain, in a H&E Stain?

Answer 6

Poorly, as they secrete the Glycoprotein Mucous

Question 7

What are the functions of Myoepithelial Cells?

Answer 7

These contract to expel the secretions from the Acini

Question 8

What are the 3 main Salivary Glands?

Answer 8

1. The Parotid Gland 2. The Submandibular Gland 3. The Sublingual Gland

Question 9

What secretion comes from the Parotid Gland?

Answer 9

Predominantly Serous

Question 10

What secretion comes from the Submandibular Gland?

Answer 10

Mixed (Serous and Mucinous)

Question 11

What secretion comes from the Sublingual Gland?

Answer 11

Predominantly Mucinous