PPT-Lecture 7 Helminths-Nematodes

Medical Parasitology Prof Dr Ahmed Ali Mohammed II Phylum Nemathelminths or Nematoda It is commonly known as thread worms They are unsegmented typically elongated and cylindrical with a fundamental bilateral symmetry They have a complete digestive tract dioecious with few exceptions the nematodes are usually bisexual but in a few instances the female may be parthenogenetic. Amanda Rose Newton. 07.10.2013. What is a Nematode??. Small worm-like creatures that like insects are classified as Arthropods. Most plentiful animal on earth. Microscopic. Both destructive and beneficial . Department of . Nematology. University of California, Davis. November, 2010. Stewardship. of. Soil Ecosystem Services. CO. 2. carbohydrates. and. proteins. carbohydrates. and. amino acids. bacteria. nematodes. WP2: Pest and diseases report. 30 . September . 2016 . - 01 . April . 2017. Diseases and pests in east African bananas. Fusarium wilt. Sigatoka diseases. Banana weevil. Nematodes. Primary outcomes. Accelerated . Patrick QUÉNÉHERVÉ Laboratoire de Nématologie, Centre ORSTOM, B.P. V 51, Abidjan, Côte d%oire. During the nematicide tests carried out between 1980 and 1985 mmpaed in relation to some soil var P. Quéne3erué given below wet season FLUCTUATION OF shows clearly rainy season, each successive only species ~ ~~~ showed several major infestation by 82) which rainfall periods. several major clos XEDA Italia s.r.l. XEDA ITALIA Srl. - Socio unico EVENTIVE SOIL TREATMENT COMPOSITION 18 g (=180 g/l) Coformulants/inert substances q.s. to 100 g FIELD OF USE The product is suita 1. The nematofauna occurring in the banana producing areas Mireille FARGE-ITE and Patrick QUÉNÉHERVÉ Laboratoire de Nématologie, ORSTOM, B.P. V 51, Abidjan, Côte d’ivoire. A smdy of p Lecture 12 --OrganismsPlant parasitic nematodes favour the establishment of secondary pathogens viz fungi bacteria virus etc The nematodes alter the host in such a way that the host tissue becomes sui 1 The nematofauna occurring in the banana producing areas Mireille FARGE-ITE and Patrick QUNHERV Laboratoire de Nmatologie ORSTOM BP V 51 Abidjan Cte d146ivoire A smdy of plant parasitic nemamdes occm Medical Parasitology. Prof. Dr. Ahmed Ali Mohammed. 2. Class: Cestoda (Tapeworms). A- Adult Tapeworm Infections. 1. . Taenia saginata. It is the most common of the large tapeworms of humans. . This parasite causes beef tapeworm infection. . Medical Parasitology. Prof. Dr. Ahmed Ali Mohammed. Introduction to Helminths. The term “Helminths” mean “worms” in parasitology. It refers to the parasitic worms, those comprises two large phyla: Phylum Platyhelminths (flat worms) and Phylum Nemathelminths or Nematoda (true round worms), and two smaller ones: Phylum Nematomorpha (hair snakes) and Phylum Acanthocephala (thorny-headed worms), in addition to one class group from phylum Annelida, the class Hirudinea (Leeches).. Medical Parasitology. Prof. Dr. Ahmed Ali Mohammed. II- Phylum: Nemathelminths or Nematoda. 1. . Ascaris lumbricoides. It is found in the small intestine of man and may be other organs, causes a disease called Ascariasis. The worms also known as the abdominal snake (common name) because it is considered one of the tallest human nematode worms; therefore, sometimes it is also called the large roundworm.. Medical Parasitology. Prof. Dr. Ahmed Ali Mohammed. 2. Class: Cestoda (Tapeworms). A. . Adult Tapeworm Infections. 1. . Taenia saginata. It is the most common of the large tapeworms of humans. . This parasite causes beef tapeworm infection. . Medical Parasitology. Prof. Dr. Ahmed Ali Mohammed. B. Larval Tapeworm infection . 1. . Echinococcus granulosus. . This parasite causes a disease called . unilocular. or . cystic. (. hydatid disease.