PPT-Lecture 5 Helminths-Cestodes/ Part I

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 . 22x1 lecture 14x1 lecture 14UIC UIC BioSBioS 101 Nyberg101 NybergReading AssignmentReading Assignment Chapter 12, study the figures and Chapter 12, study the figures and understand the color coding.un HELMINTHS . Macroscopic, . multiceullar. organism. Having their own digestive system, excretory, reproductive and nervous systems. INTRODUCTION. Humans are the primary hosts.. Most worms produce in human sexually . 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. CESTODES Dr S.Ahraou Helminthes des métazoaires invertébrés formés d’un corps allongé, à symétrie bilatérale aplati( plathelminthes), cylindrique Miguel Imperial MD . MHSc. FRCPC. Miguel.Imperial@tropicalmedicine.ca. Outline. Ascaris. . lumbricoides. Trichuris. . trichuria. (Whipworm). Necator. . americanus. and . Ancylostoma. . duodenale. Assistant Prof. Dr. . Ahmed A. Mohammed . Lecture 5. Helminths. • . Special adaptations for parasitic mode of life and for species survival are more apparent in the helminths than in the protozoa. . 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).. Sina Helbig*,. . Akre. . M. . . Adja. , Alia. . Tayea, . Neil. . Arya. **. July 2019. Prepared as part of an education project of. . the Global Health Education Consortium and collaborating. . . 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 .  . The term . “. Helminths. ”. mean . “worm”. , it is broadly interpreted; it refers to any worm-like animal, in a more restricted sense it refers to a parasitic worm, those comprises two large phyla:. Helminthes are the animals belonging to phyla Platyhelminthes and . Nemathelminthes. .. Soft bodied, . dorso. -ventrally flattened and bilaterally symmetrical. .. Classes. . Trematoda. . Cestoda. 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. . Dr. Refif S. Al-. Shawk. . Lec. 3. 2021-2022. Parasitic Infections. The term parasite encompasses a vast array of infectious protozoans (unicellular) and metazoans (helminths or worms). . Protozoan. Gh. . . Fajir. . Helminthic. Parasites of Humans . •3 groups of helminthes . •. Cestodes. -tapeworms . •. Trematodes. -flukes . •Nematodes-roundworms . Cestodes. Trematodes. Nematode. Ribbon-like.