pathology adaptations Flashcards
1
Q
atrophy
A
decrease in size and or volume of cells and tissue in an organ
2
Q
hypertrophy
A
increase in cell size resulting in increase in volume of an organ
3
Q
hyperplasia
A
increase in cell numbers resulting in an increase in volume of an organ
4
Q
metaplasia
A
replacement of one adult cell type by another adult cell type
5
Q
dysplasia
A
- disordered growth - failure of normal differentiation
- always pathologic
6
Q
where does normal hyperplasia occur?
A
can occur in prostate, breast
7
Q
where does normal metaplasia occur?
A
cervix - physiologic squamous metaplasia
8
Q
barrett esophagus
A
- metaplasia and dysplasia
- pathophysiologic response to chronic gastrointestinal reflux
- starts as hyperplasia and leads to metaplasia
- untreated may lead to dysplasia (cancer)
9
Q
bronchial metaplasia
A
squamous epithelium
