Published on March 20, 2014
rcvets.com http://www.rcvets.com/2014/03/introduction-to-helminths.html Helminths & Their Types The word “Helminths” means “Worms” in Greek. Helminths are simple multicellular endo-parasites, involved in many disease of human and animals. This artical is to introduce you to the helminths in a simple and short way. The study of Helminths is termed as helminthology. Following is a chart, which differs Helminths from other parasites as well as it shows the subgroups of Helminths.
General Shape and Structure: As we’ve seen above, there are 3 types of Helminths. Each group has its own characteristics, shape and structure: 1. Nematodes or Roundworms have round body with tapping ends. 2. Trematodes or Flatworms are liver flukes and have leaf-like body. 3. Cestodes or Tapeworms have segmented, tape-like structure. They have metameric segments. It means that all the reproductive organs are present in each segment. If a segment breaks from the body, it can form a complete new individual. Diagnostic Methods: Many methods are used for the diagnosis of Helminths. Some of them are listed below: Fecal sample examination Blood sample examination (e.g. Knot Concentration Technique for filarial worms, a type of nematodes) Post Martum/ Slaughter (in case of animals) sample examination
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As we’ve seen above, there are 3 types of Helminths. Each group has its own characteristics, shape and structure:
Unlike other pathogens (viruses, bacteria, protozoa and fungi), helminths do not proliferate within their hosts.
Helminths are able to survive in their mammalian hosts for many years due to their ability to manipulate the immune response ... (a type of white blood ...
The helminths are invertebrates ... which is of a protonephridial type with flame ... Helminths: Structure, Classification, Growth, and ...
Helminthic therapy, an experimental type of immunotherapy, ... Helminths are parasitic worms such as ... and their replenishment may be a disease ...
helminths phylum nemathelmintes nematodes phylum platyhelmintes trematodes cestodes • nematodes nematodes morphology egg ... download helminths - revision i.
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