Trematoda is a class of flatworms known as flukes or trematodes. They are obligate internal parasites with a complex life cycle requiring at least two hosts. The intermediate host, in which asexual reproduction occurs, is usually a snail. The definitive host, where the flukes sexually reproduce, is a vertebrate. Infection by trematodes can ...

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 10,000 species of flukes. They occur worldwide and range in size from about 5 millimetres (0.2 inch) to several centimetres; most do not exceed 100 ...

2022年3月23日 · Schistosomiasis is an infection caused by trematodes (flukes). These schistosomes (also called blood flukes) are parasitic flatworms that belong to the genus Schistosoma. Parasites are creatures who live in or on another organism (host) and …

2018年11月13日 · A liver fluke is a parasitic worm. You can become infected after eating contaminated raw or undercooked freshwater fish or watercress. Infections are usually treated with a drug called ...

2024年9月6日 · Liver flukes are parasites that can infect humans and cause liver and bile duct disease. There are two families of liver flukes that cause disease in humans: Opisthorchiidae (which includes species of Clonorchis and Opisthorchis) and Fasciolidae (which includes species of …

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 fresh water. Infected snails release immature flukes that swim in the water (cercariae).

Flukes are parasitic flatworms that infect the blood vessels, gastrointestinal tract, lungs, or liver. They are often categorized according to the principle organ system they invade: Clonorchis sinensis, Fasciola hepatica, and Opisthorchis species: Liver and bile ducts

Trematodes, or flukes, are parasitic flatworms with unique life cycles involving sexual reproduction in mammalian and other vertebrate definitive hosts and asexual reproduction in snail intermediate hosts.

Flukes are parasitic flatworms. There are many species of flukes. Different species tend to infect different parts of the body. Flukes that infect the intestines include. (See also Overview of Parasitic Infections.) Intestinal fluke infections usually occur in Egypt, the Middle East, and parts of Asia and the Indian subcontinent.

Flukes normally inhabit the digestive system and/or liver. Some flukes seek out the lungs, or may wander to the heart, brain or skin. The majority of infections caused are asymptomatic. When present, initial symptoms are usually abdominal pain and diarrhea.