Session 8 - Epithelum

Question 1

What are the 2 morphological tissue types?

Answer 1

1. Epithelial
2. Connective

Question 2

What are the 2 functional tissue types?

Answer 2

1. Muscular
2. Nervous

Question 3

Name the 3 classifications of epithelial tissue.

Answer 3

1. Covering epithelium - covers surfaces
2. Glandular epithelium - major tissue of endocrine and exocrine glands
3. Epitheloid tissues

Question 4

Name 8 general characteristics of epithelium

Answer 4

1. Consists of only cells
2. Exhibit polarity
3. Appear as membranes (continuous sheets) or glandular components
4. Cover or line all body surfaces
5. Supported by a basement membrane
6. Avascular
7. Can change their shape
8. Able to regenerate

Question 5

What are the 5 functions of Covering epithelium?

Answer 5

1. Secretion
2. Transport
3. Receptors
4. Absorption
5. Protection

Question 6

Name the 3 junction all complexes.

Answer 6

1. Occluding junctions
2. Anchoring junctions
3. Communicating junctions

Question 7

What is another name for occluding junctions?

Answer 7

Tight junctions

Question 8

Name an occluding junction.

Answer 8

Zonula occludes

Question 9

Name 4 anchoring junctions.

Answer 9

1. Zonula adherens
2. Macula adherens
3. Focal adhesions
4. Hemidesmosome

Question 10

What is another name for communicating junctions?

Answer 10

Gap junction