Protozoaire et métazoaires parasites
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Date
2024
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University of Oum El Bouaghi
Abstract
This document is a parasitology course intended for 3rd-year Bachelorstudents, written by Dr. Tolba Mounia. It beginswith an introduction to parasitology, coveringdefinitions of animal associations (phoresis, commensalism, mutualism, parasitism, predation), host-parasite relationships (specificity, physiological, morphological, immunological and behavioral adaptations), parasite effects on hosts, host defenses, and biological cycles (direct or indirect).
The course thendetails the classification and study of numerousparasites:
1. ParasiticProtozoa:
o Sarcomastigophora:Trypanosoma (trypanosomiasis/sleeping sickness), Leishmania (visceral and cutaneousleishmaniasis), Giardia (giardiasis), Trichomonas (trichomoniasis).
o Apicomplexa: Plasmodium (malaria), Toxoplasma (toxoplasmosis), Eimeria (coccidiosis).
o Sarcodina: Entamoeba histolytica (intestinal and hepaticamoebiasis).
o Ciliates:Balantidium coli (balantidiasis).
2. ParasiticMetazoa:
o Platyhelminthes:Trematodes (Fasciolahepatica, Schistosomahaematobium) and Cestodes (Taeniasaginata, T. solium, Echinococcusgranulosus, Diphyllobothriumlatum).
o Nemathelminthes (Nematodes):Enterobiusvermicularis, Trichuristrichiura, Trichinella spiralis, Ankylostomaduodenale, Necatoramericanus, Ascaris lumbricoides.
o Arthropods:Insects (Anoplura: lice; Siphonaptera: fleas; Diptera: mosquitoes of genera Aedes and Culex).
Each parasite isdescribed in terms of morphology, life cycle, symptoms, diagnosis, treatment, and prophylaxis.
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Keywords
Parasitology ; Protozoa; Metazoan; Host; Vector; Direct life cycle; Indirect life cycle; Host specificity; Parasitic adaptations; Zoonosis; Trypanosoma; Leishmania; Giardia; Trichomonas; Plasmodium; malaria; Toxoplasma; Entamoeba; Amoebiasis; Balantidium; Platyhelminthes; Trematodes; Fasciola; Schistosoma; Schistosomiasis; Cestodes; Taenia; Echinococcus; hydatidcyst; Diphyllobothrium; Nemathelminthes; Ascaris; Enterobius; Trichuris; Trichinella; Hookworm; Ankylostoma; Arthropods; Lice; fleas; Mosquitoes; Anopheles; Prophylaxis; Parasitologicaldiagnosis