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Necrosis

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Necrosis
ASSIGNMENT PATHOLOGY
CHAPTER 7- NECROSIS

* Name : Nur Fatihah Farhana binti Mohd Nizam * Matric.no : DPH 37/12B * i/c : 941218-08-6180 * group : B * lecturer : Mrs Sudha

DEFINITION

* It is defined as focal death along with degradation of tissue by hydrolytic enzymes liberated by cells. It is invariably accompanied by inflammatory reaction.

* Necrosis is caused by a lack of blood and oxygen to the tissue. It may be triggered by chemicals, cold, trauma, radiation or chronic conditions that impair blood flow.

CAUSES

* It can be caused by various agents such as :-

1. HYPOXIA 2. CHEMICAL & PHYSICAL AGENTS

3. MICROBIAL AGENTS 4. IMMUNOLOGICAL AGENTS

------------------------------------------------- TYPES OF NECROSIS 1. COAGULATIVE NECROSIS 2. LIQUEFACTION NECROSIS

3. CASEOUS NECROSIS 4. FAT NECROSIS

5. FIBRINOID NECROSIS COAGULATIVE NECROSIS

* Most common type of necrosis.

* Caused by
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