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purchased jigsaw puzzle for a relative they were very impressed and when they have finished the puzzle they are going to mount it in a frame
mrs l.
12th April 2010

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Macrophage eats TB bacteria

Phagocytosis. Coloured scanning electronmicrograph of a macrophage cell engulfing thebacteria Mycobacterium tuberculosis, aprocess known as phagocytosis. These bacteria(green) are the cause of tuberculosis (TB) inhumans. The macrophage cell (yellow) is ascavenger immune cell found at sites of infectionin the body. It removes bacteria or other foreignbodies from blood or tissues, taking on aprotective role. M. tuberculosis bacteria arespread by coughing or sneezing, then inhaled intothe lungs to form an infected lesion. It causespulmonary tuberculosis (consumption) which can befatal. Magnification x1, 940 at 6x7cm size.. Stunning Photo Gifts From Science Photo Library