Un poro sudoríparo en la piel humana visto al microscopio SEM. Imagen del Dr. Jeremy Burgess
Conheça o bacteriófago, o robô mais estranho do mundo
E. coli bacteria, SEM Caption: E. coli bacteria. Coloured scanning electron micrograph (SEM) of Entero Pathogenic Escherichia Coli (EPEC) bacteria (red) attached to the surface of a human epithelial cell (green). The bacteria have induced the cytoskeleton of the host cell to form 'pedestals' on which the bacteria are sitting. EPEC is a pathogenic variety of a common gut bacteria.