ELISABETH SCHNEIDER / LOOK AT SCIENCES / SCIENCE PHOTO LIBRARY ELISABETH SCHNEIDER / LOOK AT SCIENCES / SCIENCE PHOTO LIBRARY
Pott's disease. Radiographer in a tuberculosis (TB) clinic examining X-rays from a patient with Pott's disease (tuberculosis of the spine). Pott's disease causes the softening, collapse and inflammation of vertebrae. TB is cased by the bacterium Mycobacterium tuberculosis, which is spread by coughing and sneezing. It infects the lungs creating primary tubercles, nodular lesions of dead tissue and bacteria. From the lungs the bacteria may enter the blood or lymph system and spread to other tissues of the body.
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