DR KEITH WHEELER / SCIENCE PHOTO LIBRARY DR KEITH WHEELER / SCIENCE PHOTO LIBRARY
Beef liver fluke. Light micrograph of a beef liver fluke (Fasciola hepatica). This endoparasite lives in two hosts; the primary host (when a fluke) is cattle and the secondary host (when larvae) is a snail (Limnaea truncatula). The mouth is at left. Magnification: x2 when printed at 10 centimetres wide.
Model release not required. Property release not required.