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Clonorchis sinensis under a light microscope: Notice the uterus; this species is monoecious. An adult C. sinensis is a flattened (dorsoventrally) and leaf-shaped fluke. The body is slightly elongated and slender, measuring 15–20 mm in length and 3–4 mm in width. [10]
Carcinogenic parasites are parasitic organisms that depend on other organisms (called hosts) for their survival, and cause cancer in such hosts.Three species of flukes are medically-proven carcinogenic parasites, namely the urinary blood fluke (Schistosoma haematobium), the Southeast Asian liver fluke (Opisthorchis viverrini) and the Chinese liver fluke (Clonorchis sinensis).
The life cycle of a typical trematode begins with an egg. Some trematode eggs hatch directly in the environment (water), while others are eaten and hatched within a host, typically a mollusc. The hatchling is called a miracidium, a free-swimming, ciliated larva. Miracidia will then grow and develop within the intermediate host into a sac-like ...
Clonorchis sinensis is a trematode (fluke) which is part of the phylum Platyhelminthes. The parasitic worm is as long as 10 to 25 mm and lives in the bile ducts of the liver. It is a hermaphroditic fluke that requires two intermediate hosts. The eggs of the worms are passed in fecal matter into a body of water and are then ingested by mollusks.
Life cycle of Clonorchis sinensis, a liver fluke associated with cholangiocarcinoma. Although most people present without any known risk factors evident, a number of risk factors for the development of cholangiocarcinoma have been described.
Parasitic worms cannot reproduce entirely within their host's body; they have a life cycle that includes some stages that need to take place outside of the host. [3] Helminths are able to survive in their mammalian hosts for many years due to their ability to manipulate the host's immune response by secreting immunomodulatory products. [ 4 ]
His report was the pioneer description of the life cycle of the fluke and the prevalence of gastrodiscoidiasis. [1] In his survey of three villages in Assam, there was found a surprisingly high incidence, with over 40% of the population was infected. J. J. C. Buckley's report is the most useful to the modern classification of G. hominis. [11]
File:Clonorchis sinensis 2.png, released under cc-by-sa-2.5, author PLoS Medicine; File:PSM V07 D583 Fresh water snail views.jpg, released under PD license; File:Clonorchis sinensis egg 06G0049 jpg lores.jpg, released under PD license (CDC); File:Fascioloides magna cercariae.jpg, released under Cc-by-sa-3.0-migrated cc-by-2.5, author: Flukeman;