1.1 Growth Adaptations Flashcards
1
Q
What is the trigger for hypertrophy or hyperplasia?
A
Increased stress. This will trigger a response that will lead to the increase in the size of the organ.
2
Q
What are tissues that ONLY undergo hypertrophy?
A
Permanent tissues.
Heart/Brain/Skeletal Muscle
3
Q
What is the trigger for atrophy?
A
Decrease in stress on tissue.
4
Q
What are the mechanisms for atrophy?
A
Ubiquinated proteolytic degradation
Autophagy
5
Q
Is metaplasia reversible?
A
Yes
6
Q
What can metaplasia progress to if the stimuli persists?
A
Dysplasia and then cancer
7
Q
What is aplasia?
A
Failure of cell growth during embryogenesis
8
Q
What is hypoplasia?
A
Decrease in cell production during embryogenesis
