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  1. Overview of Fluke Infections - The Merck Manuals

    Flukes are parasitic flatworms. There are many species of flukes. Different species tend to infect different parts of the body. The life cycle of flukes is complex. It typically involves snails that live in …

  2. Liver Fluke: Fascioliasis, Causes, Symptoms & Treatments

    Jul 24, 2024 · Liver flukes are parasitic worms that can infect your liver, gallbladder and bile ducts. You can get them from eating uncooked or undercooked freshwater fish or watercress.

  3. Trematoda - Wikipedia

    They are hermaphroditic internal parasites. They are caused by the migration of a large number of immature flukes through the liver passageway or by adult flukes that migrate to the bile ducts. Liver …

  4. Fluke | Parasitic Flatworms, Anatomy & Life Cycle | Britannica

    fluke, any member of the invertebrate class Trematoda (phylum Platyhelminthes), a group of parasitic flatworms that probably evolved from free-living forms millions of years ago. There are more than …

  5. What Are Flukes? A Look at These Parasitic Flatworms

    Aug 7, 2025 · Flukes are parasitic flatworms belonging to the class Trematoda, part of the phylum Platyhelminthes. Their name often refers to their flattened, leaf-shaped bodies, though some species …

  6. Introduction to Trematodes (Flukes)

    Flukes are obligate parasitic flatworms that infect the blood vessels, gastrointestinal tract, lungs, or liver. They typically have complex life cycles requiring the involvement of at least 2 hosts.

  7. Flukes - Liver Flukes - Intestinal Fluke - Lung Fluke

    Trematoda is a class within the phylum Platyhelminthes that contains two groups of parasitic flatworms, commonly referred to as "flukes". The trematodes or flukes are estimated to include 18,000 to 24,000 …

  8. Trematode Infection: Background, Pathophysiology, Epidemiology

    Mar 27, 2024 · Trematodes, also called flukes, cause various clinical infections in humans. The parasites are so named because of their conspicuous suckers, the organs of attachment (trematos …

  9. Intestinal flukes - UpToDate

    Nov 20, 2024 · Intestinal flukes (trematodes) are flat hermaphroditic worms that range in size from a few millimeters to several centimeters. Approximately 70 trematode species have been reported to …

  10. CDC - DPDx - Paragonimiasis

    More than 30 species of trematodes (flukes) of the genus Paragonimus have been reported which infect animals and humans. Among the more than 10 species reported to infect humans, the most common …