Disturbances of Growth Flashcards
1
Q
atrophy
A
decrease in size (disuse atrophy)
seen most commonly in muscle
2
Q
hypertrophy
A
increase in size
ex: muscle exercise
3
Q
hyperplasia
A
increase in number of cells
es: pregnant uterus, goiter
4
Q
metaplasia
A
changes from one cell to ANOTHER TYPE of cell
ex: Pseudostratified ciliated columnar epithelium-changing into stratified squamous in lungs of a smoker
ex: arm has bony nodule from being repeatedly punched in class
5
Q
dysplasia
A
change in size, shape or function of a cell
PRECANCEROUS
LAST STAGE THAT CAN REVERSE TO NORMAL
6
Q
Anaplasia
A
complete disorganization of a cell (cancer)
es: squamous cell carcinoma