IASM 27: Epithelium

Question 1

There are no blood vessels inside the epithelium

True or false

Answer 1

True

Question 2

Basal lamina is which type of collagen

Synthesized by which type of cells?

Answer 2

Type 4

By epithelial cells

Question 3

Reticular lamina is which type of collagen

Synthesized by which type of cells?

Answer 3

Type 3

By connective tissue cells/ Fibroblasts

Question 4

Stratified epithelium has _____ layers of cells

Answer 4

multiple

Question 5

Name one region with simple cuboidal epithelium

Answer 5

Excretory duct of pancreas

Question 6

Name one region with simple columnar epithelium

Answer 6

Intestine
Gall Bladder
Oviducts

Question 7

What is adhering the epithelial cell to the basement membrane (Basal surface)

Answer 7

Hemidesmosome

Question 8

What is adhering the epithelial cell to neighbouring epithelial cells (Lateral surface)

Answer 8

Desmosome

Question 9

What are the 3 modes of secretion, and name an example for each

Answer 9

What are the 3 modes of secretion, and name an example
Merocrine- No loss of cytoplasm; Sweat gland
Apocrine- Portion of cytoplasm coming out; Mammary gland
Holocrine- Entire cell disintegrates; Sebaceous gland

(MAH)

Question 10

Compare Mucous Glands and Serous Glands

• Secretions nature
• Secretion substance
• Staining
• Nuclei shape
• An Example of the gland

Answer 10

Compare Mucous Glands and Serous Glands

• Secretions nature: Thick and slimy VS Watery
• Secretion substance: Mucin VS Proteins and Enzymes
• Staining: Pale Vs Basophilic
• Nuclei shape: Flat VS Round
• An Example of the gland: Salivary gland VS Pancreas

Question 11

Name an example for each 
Simple Tubular Gland
Simple coiled tubular
Simple branched tubular
Simple branched acinar
Compound tubuloacinar

Answer 11

Name an example for each 
Simple Tubular Gland- Intestinal 
Simple coiled tubular- Sweat
Simple branched tubular- Gastric
Simple branched acinar- Sebaceous
Compound tubuloacinar- Salivary