Which of the following parasite's life cycle is shown below?

Ans. (b) Fasciola hepatica Snail as intermediate host suggest f. hepatica. Fasciola hepatica Sheep lines fluke, its a large leaf shaped feshy hermaphrodite fluke. Parasite resides in liver and biliary passages of the definitive host Life cycle: Definitive host: Man, Sheep Intermediate host: Snail of genus lymnaea Aquatic plants Life cycle from page 152 Pankier 7/e, p 149 Mode of infection: Ingestion of metacercariae Pathogenesis: In comparison to clonorchis fasciola produce more hepatic damage, cause parenchymal injury and patient present with fever tender hepatomegaly. In chronic phase biliary obstruction and cirrhosis develops. Treatment: Triclabendazole is the treatment of choice.