Necrosis Flashcards
1
Q
What necrosis involves the loss of nuclei but retention of structure?
A
Coagulative
2
Q
What kind of necrosis in seen in an abscess?
A
liquefactive
3
Q
What is the difference between ischemia and infarction?
A
Ischemia is a reduction in blood supply whereas infarction is an interruption of blood supply.
4
Q
Describe the structure of a necrotic lesion
A
Centre of necrosis, surrounded by zone of degeneration which is then surrounded by inflammatory cells
5
Q
What is the 3 stages used to describe the breakdown of the nucleus?
A
Pyknosis (nucleus becomes dense). Karyorrhexis (fragments). Karyolysis (dissolution).
