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Amoebiasis, or amoebic dysentery, is an infection of the intestines caused by a parasitic amoeba Entamoeba histolytica. [3] [4] Amoebiasis can be present with no, mild, or severe symptoms. [2] Symptoms may include lethargy, loss of weight, colonic ulcerations, abdominal pain, diarrhea, or bloody diarrhea.
Entamoeba gingivalis is an opportunistic Amoebozoa [citation needed] (reported by some as an effect of disease; not a cause [hence status as a commensal]) [2] [3] [4] and is the first amoeba in humans to be described. It is found in the mouth [5] inside the gingival pocket biofilm near the base of the teeth, and in periodontal pockets. [1]
Dientamoebiasis is a medical condition caused by infection with Dientamoeba fragilis, a single-cell parasite that infects the lower gastrointestinal tract of humans. It is an important cause of traveler's diarrhea, chronic abdominal pain, chronic fatigue, [ citation needed ] and failure to thrive in children.
Clockwise from top right: Amoeba proteus, Actinophrys sol, Acanthamoeba sp., Nuclearia thermophila., Euglypha acanthophora, neutrophil ingesting bacteria. An amoeba (/ ə ˈ m iː b ə /; less commonly spelled ameba or amœba; pl.: amoebas (less commonly, amebas) or amoebae (amebae) / ə ˈ m iː b i /), [1] often called an amoeboid, is a type of cell or unicellular organism with the ability ...
The amoeba will form cysts and trophozoites in the gastrointestinal tract. This can cause abdominal pain and diarrhea. Once symptoms start to occur, the standard means of diagnosing are a series of stool sample examinations and serological testing, and, if necessary, a colonoscopy or a biopsy of intestinal amebic legions or draining of liver ...
The amoeba can 'bore' into the intestinal wall, causing lesions and intestinal symptoms, and it may reach the bloodstream or peritoneal cavity. [8] From there, it can reach vital organs of the human body, usually the liver, but sometimes the lungs, brain, and spleen. [ 9 ]
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Mouth infections, also known as oral infections, are a group of infections that occur around the oral cavity. They include dental infection , dental abscess , and Ludwig's angina . Mouth infections typically originate from dental caries at the root of molars and premolars that spread to adjacent structures.