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Fly head, colored scanning electron micrographFly head, coloured scanning electron micrograph (SEM). Close-up of the head of a fly, showing its short antennae (upper centre), which are seen between its compound eyes (brown)
White blood cells, SEMWhite blood cells. Coloured scanning electron micrograph (SEM) of white blood cells (leucocytes). Magnification: x2, 400 when printed at 10 centimetres wide