Hypertrophy
Increases in the SIZE of the cells
(Exercise, HTN)
Atrophy
Decrease in the SIZE of the cells
Dysplasia
Abnormal cell SHAPE, SIZE & organization, precancerous
(PAP test, moles)
Metaplasia
Shape of the cell changes to another shape
(GERD)
Usually in response to irritant
Can be revered by taking Rx
Hyperplasia
Increase in the NUMBER of cells (increased breast tissue during pregnancy)
Pic for reference