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.
Parasites include multicelled and single-celled animals, fungi, and bacteria, and some authorities also include viruses.Those that feed upon human hosts can cause diseases ranging from the mildly annoying to the severe or even fatal. (See accompanying table.). Types of parasites. 2. parasitic fetus.accidental parasite one that parasitizes an organism other than the usual host. facultative parasite one that may be parasitic upon another organism but can exist independently. incidental parasite accidental parasite. malarial parasite Plasmodium.obligate parasite (obligatory parasite) one that is entirely dependent upon a host for its survival.arasites include multicelled and single-celled animals, fungi, and bacteria, and some authorities also include viruses.Those that feed upon human hosts can cause diseases ranging from the mildly annoying to the severe or even fatal. (See accompanying table.). Types of parasites. 2. parasitic fetus.