PPT-Helminths ( Trematoda )

AssisProfDr Suhad Faisal Hatem Helminths Trematoda Helminth commonly known as parasitic worms are large multicellular organisms which when mature can generally be seen with the naked eye including . Microbiology . with Lab. Denver School of Nursing . – General Education Classes. Lecture / Laboratory : Monday 10:00 am . – . 2:24pm. Lecture: Tuesday 4:30pm . – . 6:30pm. Instructor: Lisa Johansen, PhD Microbiology. Present studyGoldberg Crane 1911Stunkard 1923Total body length10144 8800 113006600 80007000 10000Body width851 785 890855500 750Oral sucker length452 322 592262240 290Oral sucker width427 310 Miguel Imperial MD . MHSc. FRCPC. Miguel.Imperial@tropicalmedicine.ca. Outline. Ascaris. . lumbricoides. Trichuris. . trichuria. (Whipworm). Necator. . americanus. and . Ancylostoma. . duodenale. The Fungi. The . Fungi. A. Once thought to be plants but the cell wall is made of chitin rather than cellulose and these are not photosynthetic. B. Instead they are saprobic organisms that frequently live off of dead organic matter. 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).. . lumbricoides. Morphology:. It . causes: . Ascariasis. .. It’s found in the small intestine of man, and may be in other organs. .. The worm is elongated, cylindrical, and tapers both anteriorly and posteriorly to relatively blunt conical . Alaridah. MD, PhD. Medical . parasitology. is classified into. . Medical helminthology. Medical protozoology. Deals with parasitic worms. Deals with unicellular parasites. 1-Phylum : Platyhelminthes . 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.. . termasuk. . dalam. . filum. . Platyhelminthes. Umumnya hidup sbg parasit pada vertebrata. Morfologi. . umum. :. Pipih. . seperti. . daun. , . tidak. . bersegmen. Tubuh di tutup kutikula, yang disekresikan o/ sel2 dibawahnya. Helminthes is derived from Greek word “. Helmins. ” meaning “worms”. The term is not correct because it is applied to all elongated invertebrates without appendages and with bilateral symmetry. . 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. . TREMATODA hATI. Fasciola hepatica. Hospes : kambing dan sapi, kadang-kadang manusia.. Penyakit : fasioliasis. Penyebaran geografik : Amerika Latin, Perancis, negara-negara sekitar Laut Tengah.. Hymenolepis. nana. Authors: Javier Gutierrez Jimenez, J.A. Hernandez-. Shilon. , L.P. Fajardo-Martinez, Maria Guadalupe del Carmen Torres-Sanchez. Citation: Javier Gutierrez Jimenez, J.A. Hernandez-. Gh. . . Fajir. . Helminthic. Parasites of Humans . •3 groups of helminthes . •. Cestodes. -tapeworms . •. Trematodes. -flukes . •Nematodes-roundworms . Cestodes. Trematodes. Nematode. Ribbon-like.