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  1. › wiki › AmoebiasisAmoebiasis - Wikipedia

    Amoebiasis, or amoebic dysentery, is an infection caused by Entamoeba histolytica. Amoebiasis can be present with no, mild, or severe symptoms. Symptoms may include lethargy, loss of weight, colonic ulcerations, abdominal pain, diarrhea, or bloody diarrhea.

  2. 1. Recognize the following organisms when seen through a microscope and state what disease they are associated with: a. Entamoeba histolytica cysts in a fecal smear . b. Trypanosoma gambiense in a blood smear . c. Giardia lamblia cysts in a fecal smear . d. Trichomonas vaginalis in vaginal discharge . e. Balantidium coli in a fecal smear . f.

  3. Look at under a microscope for bacteria, yeast cells, Trichomonas, pus cells ( dead white blood cell), and clue cells that is an indicator of bacterial vaginosis. Result Interpretation of vaginal smear or vaginal wet mount Bacteria: The organisms which have a size of this range 0.2 – 2.0 × 1 – 10 µm and shape of normally round or rod.

  4. Feb 08, 2015 · Single-celled organisms; pseudopodia (motility), trophozoite, and cyst stages in the life cycle. Exceptions: Some have no identified cyst. Fecal-oral transmission of the infective cyst. Entamoeba histolytica causes amebiasis and is the most significant organism in this group. Flagellates: Protozoa with characteristic flagella. Fecal-oral ...

  5. Pathogenesis. In the United States, Acanthamoeba keratitis is nearly always associated with soft contact lens use. Acanthamoeba spp. is most commonly introduced to the eye by contact lenses that have been exposed to the organism through the use of contaminated lens solution, using homemade saline-based solution or tap water, or from wearing contact lenses while bathing or swimming.

  6. Figure 5.3 (a) A scanning electron micrograph shows many Giardia parasites in the trophozoite, or feeding stage, in a gerbil intestine. (b) An individual trophozoite of G. lamblia, visualized here in a scanning electron micrograph. This waterborne protist causes severe diarrhea when ingested.

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