Assg Write short note on Haemoparasite and formo-ether concentration technique for the detection of parasites List 4 fixative and dehydrating agents used in Histopathology Life cycle of amoebiasis parasites List 3 plasmodium species

Chemistry

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  1. Haemoparasites are parasites that inhabit the blood of their hosts. They can cause various diseases in humans and animals, such as malaria and babesiosis. Detection methods include microscopy and molecular techniques. The formo-ether concentration technique is a method used to concentrate and identify parasites in blood samples. It involves mixing the sample with formol saline, followed by ether extraction, which separates the parasites from the blood components for easier identification.

  2. Four fixatives and dehydrating agents used in Histopathology are:

    • Formalin
    • Ethanol
    • Methanol
    • Acetone
  3. The life cycle of amoebiasis parasites, specifically Entamoeba histolytica, includes:

    • Cyst Stage: Ingestion of cysts through contaminated food or water.
    • Trophozoite Stage: Cysts excyst in the intestine, releasing trophozoites that invade the intestinal wall.
    • Reproduction: Trophozoites multiply by binary fission.
    • Cyst Formation: Some trophozoites encyst and are excreted in feces, continuing the cycle.
  4. Three species of Plasmodium are:

    • Plasmodium falciparum
    • Plasmodium vivax
    • Plasmodium malariae
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