Cellular adaptations (1) Flashcards
1
Q
Define Etiology
A
underlying causes & factors of disease (can be genetic or acquired)
2
Q
what tissues undergo hypertrophy only?
A
Cardiac muscle, skeletal muscle, and nerve
3
Q
What is hypertrophy?
A
increase in cell size
4
Q
what is hyperplasia?
A
increase is cell number
5
Q
Atrophy>?
A
A reduction is cell/organ size
6
Q
what mechanism is used in the decrease of cell number (Atrophy)?
A
Apoptosis
7
Q
what is the difference between metaplasia and dysplasia?
A
Metaplasia: Transforms a cell from mature cell type to another mature; caused by external stimulus; can be reversible; less likely to lead to cancer. Dysplasia: Transforms a cell into an abnormal version of itself; caused by internal stimulus; is not reversible; more likely to lead to cancer.
