Supplemental visual material
Site of infection: small intestine
Typical size: 20-75 mm in length
Intermediate host: multiple species of planorbid snails serve as suitable hosts. One sporocyst and two redial generations occur within the snails
Metacercariae: encystment on a variety of aquatic vegetation including water chestnuts, lotus, and bamboo.
Other: This parasite has sometimes been touted as a cause of most cancers. There is no scientific data published in reputable, peer-reviewed scientific journals to support this hypothesis. This parasite is confined to the Orient and does not occur naturally in North America.
Originals; all photographs by S.J. Upton
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Kansas State University | Biology Division