Published on Nov 22, 2019
Cellular adaptations
- Hyperplasia is increase in number of cells. E.g: Prostatic hyperplasia
- Hypertrophy is increase in size of the cells. Muscular hypertrophy in body builders
- Atrophy is decrease in size of the cell. E.g: Disuse atrophy
- Metaplasia is change in epithelium from one type to another
- Most common type of metaplasia – Columnar to squamous (In respiratory tract of smokers)
- E.g: Epithelial cell metaplasia – Barrett’s esophagus (Change from squamous to intestinal type epithelium)
- Connective tissue metaplasia – Myositis ossificans