examples of platyhelminthes
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Examples of Platyhelminthes
The examples of organisms belonging to phylum Platyhelminthes are:
Dugesia (Planaria)
These are found in freshwater ponds or slow streams. Their body possesses cilia and has the power of regenerating the lost part. The head bears a pair of eyes and two lateral lobes.
Schistosoma
It is found in the mesenteric blood vessels and hepatic portal system of humans and is therefore known as blood fluke. It shows well-marked sexual dimorphism.
Schistosoma causes Schistosomiasis which spreads through contaminated water. The patient suffers from anaemia, pain, fever, liver and spleen enlargement, and diarrhoea.
Fasciola
It is also known as liver fluke since it resides in the liver and bile duct of sheep and goat. It is a hermaphrodite but cross-fertilization takes place.
It causes fascioliasis in animals. In this, the liver of the animal enlarges and the bile ducts are blocked. The infection weakens the muscles of the animals resulting in muscular pain. It might also prove fatal for the animals.
Taenia solium
It is also known as the pork tapeworm and is found in all the countries where pork is consumed. They live as parasites in the small intestine of human beings and their larva are found in the muscles of the pigs. It is a hermaphrodite and undergoes self-fertilization.
Taenia solium causes taeniasis where the patient experiences abdominal pain, anaemia, indigestion, restlessness and false appetite.
There are other organisms such as Taenia saginata that is transferred through beef in the human intestines, and Echinococcus granulosus that lives in the intestine of cats and dogs
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Answer:
tapeworms,tubelleria,monogenea,fluke etc .
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