|Description:||This micrograph reveals an egg from the Oriental, or Chinese liver fluke, Clonorchis sinensis; Mag. 128X.|
After ingestion, the metacercariae encyst in the duodenum and ascend the biliary tract through the ampulla of Vater. Maturation takes approximately 1mo. The adult flukes, which measure 10-25 mm x 3-5 mm, reside in small and medium sized biliary ducts.