Cell Injury Flashcards
1
Q
What is hypertrophy and hyperplasia?
A
- Hypertrophy- Cells get bigger in size
- Hyperplasia- Increased number of cells
2
Q
What are the stages of the cell cycle? What happens in each stage?
A
- G1- Cell gets bigger
- S- DNA replication, by the end of S phase, cell has two copies of genome.
- G2- Cell gets bigger, more protein synthesis
- M- Mitosis, the cell divides to form two daughter cells
3
Q
What is atrophy?
A
Reduction in cell size
Physiologica- embryological structures
pathological - muscle wasting
