Quality Testing for Fabric. If you've bought fabric upholstery before, you know that the fabric is often the first thing to show signs of wear and age. Most likely, the quality and longevity of the fabric is just as important to you as the construction of the furniture itself.
By Dr Ananya Mandal, MD. Helminths are parasitic worms that feed on a living host to gain nourishment and protection, while causing poor nutrient absorption, weakness and disease in the host.These worms and larvae live in the small bowel and are referred to as intestinal parasites.ome of the features of the different groups of the helminths include: 1  The trematodes or flatworms are flat, leaf-shaped and unsegmented. 2  Nematodes are cylindrical and have lips, teeth and dentary plates. 3  The cestodes or tapeworm is segmented and hermaphroditic.
While the average Canadian physician deals very little with worm infestations, disease caused by helminths are the cause of considerable morbidity and mortality in large areas of the world, in particular the developing world. Increases in international travel and immigration make it increasingly important to be aware of the common helminths. The US Center for Diseases Control has a superb general helminth website called DPDx â Identification and Diagnosis of Parasites of Public Concern that will be linked to in this section. As with other biological classifications, the taxonomy of the Helminthes is complicated.