Cell Adaptations Flashcards
What organelle in a cell breaks down debris, bacteria?
Lysosome
Composition shrinkage and decrease in a CELL SIZE is called?
Atrophy
Decreased use, blood supply, nutrition, change in hormones cause?
Atrophy
What happens as a result of atrophy?
Cells from accumulations of lipofuscin
Excessive lysosomes (eat up all the bad things) begins to make what that accumulates in cell?
Lipofusicin
Liver spots on body are caused by?
Lipofuscins as they can never be destroyed
What does hypertrophy mean for cell size?
An increase in cell size -not as a result of fluids
What causes hypertrophy?
Increased protein within the cell OR decreased protein brbeakdown
Patholigc in what 2 parts of the body?
Heart (one valve becomes oversized trying to make up for another valve) and Kidneys (one kidney becomes larger than other)
What is hyperplasia?
An increase in cells (increase in division or building of new cells)
What is one area in the body where hyperplasia causes damage to the body?
The prostate
What is metaplasia?
Replacement of one cell type with another (reversible) like the cilia in lung tissue
Metaplasia causes chronic _______ or ______ but is _______
Metaplasia causes chronic inury or irritation, but is reversable
Dysplasia causes persistent severe ______ or ______ and is not _______
Dysplasia causes persistent severe injury or irritation and is not reversible (somebody who keeps smoking)
What is dysplasia?
Think dys is bad: Abnormal cell size, shape or organization