Pathology

Introduction

The word ‘Pathology’ is derived from two Greek words—pathos meaning suffering, and logos meaning study.

TUBERCULOSIS 

Tuberculosis is an example of a granulomatous inflammation response ( a type of chronic inflammation in humans) .Tuberculosis bacillus or Koch’s bacillus is called mycobacterium tuberculosis.It causes tuberculosis in the lungs and other tissue of the human body .it is discovered by Robert koch in 1882 .

Lung abscess

Lung abscess is a collection of pus within the tissues of the lungs ” liquefaction necrosis ” .

It is 2 types :

  • Primary lungs abscess that develops in normal lungs. The most common cause is the aspiration of infected material.
  • Secondary lung abscesses develops due to some other diseases of the lungs.

Pneumonia

Pneumonia is an acute respiratory infection in which the air space filled with fluid lead to inflammation of the lungs.

“Consolidation ” (meaning solidification ) used for the gross and radiologic appearance of the lungs

Anemia

Anemia is the blood disorder, characterized by the reduction in:

Red blood cell (RBC) count
Hemoglobin content
Packed cell volume (PVC).

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