An electron microscope catches the immune system blooming into action. A white blood cell (red) wraps itself around a mycobacterium tuberculosis, the causative agent of most cases of tuberculosis. Phagocyte, as a white blood cell is known as, comes from the Greek word phagein (to eat), and that's what the cell does, rendering the infectious cell benign. Scanning Electron Microscope Images, Scanning Electron Micrograph, All Nature, Science And Nature, Micro Photography, Insect Photography, Microscopes, Microscopic Photography, Microscopic Images