Human blood with trypanosomes - 400x
Slide of human blood seen at 400x magnification. Red circles are red blood cells, large white circle with three purple circles inside is a white blood cell. A trypanosome parasite (Trypanosoma cruzi) is visible in the lower-right of the image (purple-stained organism that looks like a small worm). These parasites cause Chagas disease, trypanosomiasis.
Copyright © 2011 Marc Perkins