Entamoeba coli parasite
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This document discusses Entamoeba coli, a non-pathogenic intestinal parasite commonly found in humans. It describes E. coli's life cycle between a trophozoite stage inside the intestine and a cyst stage passed in feces. Transmission occurs worldwide via the fecal-oral route through contaminated food or water. While usually harmless, large populations of E. coli can cause minor digestive issues. Diagnosis involves examining stool samples under a microscope for cysts or trophozoites. Treatment is not usually needed, but improved hygiene can reduce transmission.
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Entamoeba coli
Entamoeba coli is a non-pathogenic species of Entamoeba that commonly lives in the human gut. It is important for doctors to distinguish E. coli from the pathogenic Entamoeba histolytica under the microscope since they look similar. E. coli has trophozoites that are 12-55 micrometers and cysts that are 8-35 micrometers, with 1-8 nuclei. It colonizes the intestines after ingesting cysts and the trophozoites produce more cysts that are passed in stool. Stool examination can detect E. coli trophozoites and cysts, but infections usually do not cause symptoms so treatment is not needed.
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Entamoeba gingivalis is a non-pathogenic ameba that inhabits the human oral cavity, residing in gingival pockets near the base of teeth. It feeds on bacteria and debris in the oral cavity but does not cause disease. While often found in patients with periodontal disease, it does not have a causative relationship. Entamoeba gingivalis trophozoites resemble those of the pathogenic E. histolytica but do not form cysts. It is transmitted between people orally but does not typically cause symptoms.
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INTERNATIONALLY ACCEPTED BOOK OF MEDICAL PARASITOLOGY BY K. D. CHATTERJEE
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IMAGE SOURCES : FROM INTERNET
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Entamoeba polecki is an intestinal parasite found primarily in pigs and monkeys. It has two stages in its life cycle - as a trophozoite and as a cyst. While most infections are asymptomatic, some reports have shown symptomatic infections in humans causing diarrhea. Laboratory diagnosis involves examining stool samples for the presence of trophozoites and cysts. Treatment typically involves a combination of metronidazole and diloxanide furoate, or metronidazole alone.
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prof.dr.ihsan alsaimary -college of medicine - university of basrah -iraq
ihsanalsaimary@gmail.com
009647801410838
E.coli Dr. Mahadi
This document discusses Enterobacteriaceae, a family of Gram-negative bacteria that includes many common pathogens. It provides details on their characteristics, identification, classification based on lactose fermentation, and important genera such as Escherichia coli. Reasons why E. coli is commonly used for gene cloning are described, including its genetic simplicity, rapid growth, safety, extensive prior study, and ability to host foreign DNA. Identification of Enterobacteriaceae involves examining biochemical reactions and growth on selective media like MacConkey agar.
E.coli and others dr .ihsan alsaimary
prof . dr. ihsan edan alsaimary
department of microbiology - college of medicine - university of basrah - basrah -IRAQ
ihsanalsaimary@gmail.com
00964 7801410838
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Amebiasis is an intestinal infection caused by the protozoan Entamoeba histolytica. It is transmitted through the fecal-oral route and infects 50 million people annually. Symptoms range from mild diarrhea to severe dysentery. Rarely, the infection may spread to other organs and cause liver abscesses. Diagnosis involves microscopy of stool or biopsy samples to identify the protozoan trophozoites. Treatment consists of metronidazole or tinidazole to eliminate the intestinal infection, followed by other drugs like paromomycin or diloxanide furoate to clear cysts from the gut and prevent recurrence.
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This document discusses intestinal protozoa including ameba species. It causes by fecal-oral transmission due to poor hygiene and sanitation. Control involves improving hygiene, treating carriers, and protecting water supply by boiling, iodine or not chlorine. Amoebiasis is caused by Entamoeba histolytica transmitted via cysts in contaminated food/water or direct contact. It causes asymptomatic infection or invasive disease with diarrhea, dysentery, liver abscesses. Diagnosis involves stool exam detecting trophozoites while treatment is metronidazole. Prevention requires improved hygiene and water treatment.
Microlect13enterobacteriaceae
This document provides an overview of the Enterobacteriaceae family of bacteria, including their classification, characteristics, clinical significance, and important pathogenic species such as Escherichia coli, Klebsiella, Salmonella, Shigella, and Yersinia. Key features of Enterobacteriaceae include being Gram-negative, non-spore forming bacilli that are oxidase-negative, reduce nitrates to nitrites, and ferment glucose. They can cause a variety of opportunistic infections and some are primary intestinal pathogens. The document describes the microbiological properties and diseases associated with major pathogenic genera.
E. coli
I am Tariq Bin Aziz, From Southeast University, Bangladesh. I made this presentation on E.coli. I think you will be benefited by my presentation. Thanks All.
Micro notes gi_13_student
This document provides an overview of gastrointestinal infections and food poisoning. It discusses the anatomy of the GI tract and normal flora. Common bacterial, viral, and parasitic agents that can cause diarrhea are described, including Campylobacter, Salmonella, Shigella, E. coli, norovirus and Giardia. The laboratory diagnosis of gastrointestinal pathogens from stool specimens is outlined, including culture techniques and interpretation. Treatment typically involves rehydration while antibiotics may be used for invasive bacterial infections.
Enterobacteriaceae
1. Enterobacteriaceae are a family of Gram-negative bacteria that are commonly found in the intestines of humans and animals. They include several important pathogens like Escherichia coli, Salmonella, Shigella, Klebsiella, and Enterobacter.
2. Members of Enterobacteriaceae are facultative anaerobes and most have peritrichous flagella. Some important genera include Escherichia, Salmonella, Shigella, Klebsiella, Citrobacter, Enterobacter, Proteus, Serratia, and Morganella.
3. Several species of Enterobacteriaceae can cause diseases like diarrhea, intestinal infections, urinary tract infections
Enterobacteriaceae
1. Enterobacteriaceae is a family of Gram-negative bacteria that includes many common pathogens. They are facultative anaerobes that are able to ferment glucose and reduce nitrates.
2. Escherichia coli is the most prominent member of Enterobacteriaceae. It is commonly found in the human gut but can cause diseases like diarrhea, urinary tract infections, and sepsis. Virulence factors include toxins, fimbriae, and capsular antigens.
3. Other important pathogens in Enterobacteriaceae include Salmonella, Shigella, Klebsiella, and Proteus, which can cause diseases like typhoid fever, dysentery, pneumonia, and
STOOL EXAMINATION.pdf
The document discusses stool examination, including indications such as detecting parasites, evaluating diarrhea, and differentiating between infectious bacteria. It describes the microscopic examination of stool to identify parasites, bacteria, and abnormalities, noting key features of various parasites like Entamoeba histolytica, Giardia intestinalis, and helminths. Precautions for stool collection and preparation of slides for microscopic examination are also outlined.
Entamaeba, balantidium, gardia, trichomonas
This document summarizes four intestinal parasites: Entamoeba histolytica, Balantidium coli, Trichomonas vaginalis, and Giardia lamblia. It describes their classification, transmission, sites of infection, clinical manifestations, and laboratory diagnosis. Entamoeba histolytica can cause intestinal or extra-intestinal amoebiasis by forming ulcers in the intestine or other organs. Balantidium coli causes colitis and other infections of the large intestine. Trichomonas vaginalis causes vaginitis or urethritis through sexual contact. Giardia lamblia has a life cycle involving a trophozoite and cyst stage and causes giardiasis through a f
Entamaeba, Balantidium, Gardia, Trichomonas
This document summarizes four intestinal parasites: Entamoeba histolytica, Balantidium coli, Trichomonas vaginalis, and Giardia lamblia. It describes their classification, transmission, sites of infection, clinical manifestations, and laboratory diagnosis. Entamoeba histolytica can cause intestinal or extra-intestinal amoebiasis by forming ulcers in the intestine or other organs. Balantidium coli causes colitis and other infections of the large intestine. Trichomonas vaginalis causes vaginitis or urethritis through sexual contact. Giardia lamblia causes giardiasis through a fecal-oral route and leads to diarrhea and malabsorption.
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Entamoeba coli parasite
- 1. Prepared by : barham azad
- 2. Introduction Morphology Life Cycle Epidemiology E coli & E histolytica habitat Acquired Pathology Laboratory Diagnosis Laboratory Report Control Treatment
- 3. Entamoeba coli is a non-pathogenic species of Entamoeba that frequently exists as a commensal parasite in the human gastrointestinal tract.
- 4. *Simple life stage : *Trophozoite stage *Cyst stage
- 7. *Worldwide
- 9. Intestine organisms passed in feces
- 10. Fecal-oral transmission via cyst form contaminated food and water
- 11. E. coli are mostly harmless parasites large populations of E. coli may lead to "dyspepsia, hyperacidity, gastritis, and indigestion"; these are common problems of most intestinal parasites
- 13. Diagnosis stage : Entamoeba coli (indicate cysts and/or trophozoites)
- 14. Improved hygiene adequate disposal of fecal waste adequate washing of contaminated fruits and vegetables
- 16. questions
Editor's Notes
- This parasite has one large nucleus with a thick membrane surrounding the nucleus. There are many chromatin inside the nucleus, and one large, irregular-shaped karyosome
- Organism Description: Trophozoite: Unevenly arranged nuclear chromatin, eccentric karyosome, messy cytoplasm (may contain lots of debris) Cyst: May contain chromatoidal bars with sharp, jagged edges; mature cyst contains 8 nuclei (rarely more seen).
- Mode of production binary difusion The mature cyst is the infective stage, and is known to survive longer than those of E. histolytica. The cysts can survive three to four mouths outside the host's body after desiccation
- E. coli can be differentiated from the Entamoeba histolytica/E. dispar group based on morphologic differences
- the cytoplasm of the E. coli "does not contain red blood cells, except in the rare case of patients with intestinal hemorrhage Treatment ?