Cell Adaptation

Question 1

List the types of cell adaptations…

Answer 1

1. Atrophy
2. Hypertrophy
3. Hyperplasia
4. Metaplasia
5. Aplasia
6. Hypoplasia
7. Dysplasia

Question 2

Atrophy is…

Answer 2

decrease in the volume, size and number of cells

Question 3

Hyperplasia is…

Answer 3

increase in cell/tissue production in a normal tissue/organ

Question 4

Hypertrophy is…

Answer 4

increase in volume due to enlargement of cells/tissue

Question 5

Metaplasia is…

What are some examples of metaplasia?

Answer 5

a change in the phenotype of differentiated cells

example: chronic lung irritation, Vit-A deficiency, Estrogen toxicity, mammary tumors

Question 6

What is Dysplasia?

Answer 6

Abnormal cell development - - occurs mostly in epithelial cells