█ _ كاتب غير معروف 0 حصريا كتاب ❞ Parasites ❝ 2024 Parasites: نبذه عن الكتاب: A Protozoa 1 GI GU a Cryptosporidium 1) Appearance: cysts are small, stain pink in stool specimens 2) Lab assays: O&P 3) Virulence factors: none significant 4) Epidemiology: ubiquitous but typically causes disease AIDS patients 5) Clinical Diseases: watery diarrhea, severe malabsorption in AIDS patients 6) Treatment: supportive and immune reconstitution— nitazoxanide may have a role 7) Resistance: none 8) Prophylaxis: boil or filter water, chlorination does not work b Entamoeba histolytica 1) two phases of life cycle: cyst has four nuclei, trophozoite one nucleus is flagellated often contains ingested red blood cells (see Figure 4 1) 2) O&P should reveal trophozoite, anti amoeba antibody titers diagnostically useful 3) fecal oral transmission 5) amoebic dysentery liver abscess 6) metronidazole followed by iodoquinol or paromomycin—the latter necessary to kill encysted organisms the bowel lumen that killed metronidazole 7) no effect, careful hand washing separation human wastes from crop fields (don’t fertilize crops with feces) c Giardia lamblia 1) nuclei and has thicker wall than Entamoeba, trophozoite oval with two pairs flagella 2) 2) O&P, string test = patient swallows string down into duodenum while physician holds onto the far end then pulls back up out mouth, revealing trophozoites stuck string 3) transmission, often via streams in the wilderness as many animals carry well, classic Biology Books مجاناً PDF اونلاين Biologically Biology natural science concerned study life, its various forms function, how these interact each other surrounding environment The word biology Greek made words: bio (βίος) meaning And loggia ( λογία) means Biology: similarity vegetation animal cover on edges African American states, existence same fossil Branches biology Biology an ancient thousands years old modern began nineteenth century This multiple branches Among them are: Anatomy Botany Biochemia Biogeography Biofisia Cytology cell science Ecology environmental science Development Embryology embryology Genetics genetics Histology histology Anthropology anthropology Microbiology bacteriology Molecular Biology Physiology functions organs Taxonemia taxonomy Virology virology Zoology zoology