Poyekhali! Yuri Gagarin & The Dawn of Space Exploration
Specialist Imaging
Aerial and Satellite
Animals
Flowers
Landscapes
Space
Food
History
Graphics and Patterns
DNA 50th Anniversary

Testimonials

An excellent colour photoraph of Donald Campbell with Bluebird K7. If I need to buy any more pictures like that, I will certainly be using Media Storehouse Ltd.
alasdair_gardiner
11th February 2010

English

Bacteria infecting a macrophage, SEM

Bacteria infecting a macrophage. Colouredscanning electron micrograph (SEM) of Mycobacterium tuberculosis bacteria(green) infecting a macrophage white blood cell.The macrophage, when activated, will engulf(phagocytose) the bacteria and destroy them aspart of the body's immune response. M. tuberculosis causes the disease tuberculosis.It infects the lungs creating primary tubercles, nodular lesions of dead tissue and bacteria. Thebacteria may enter the blood or lymph systems andspread to other organs of the body. Tuberculosisis spread by coughs and sneezes.. Stunning Photo Gifts From Science Photo Library