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3 days ago · Several genera of amebas, including Entamoeba, Endolimax, and Iodamoeba, are obligate commensalistic parasites of the human alimentary tract and are passed as cysts from host to host by the fecal–oral route. Most amebas are amitochondriate, presumably because of the anaerobic conditions under which they exist in the colon.
2 days ago · The initial treatment of choice of an infected sebaceous cyst is incision and drainage. The sebaceous material is too thick to allow for spontaneous drainage and it must be expressed. The sebaceous cyst will likely recur, however, unless the capsule of the cyst is removed.
4 days ago · Controversy surrounds pilonidal disease, from who first described it, to the etiology, and how to manage it surgically. Some believe that pilonidal disease was first described in 1880 by Hodges. 1 However, others say it was first described in 1833 by Mayo. 2 Hodges used the term “pilonidal sinus” to describe a chronic infection that contained hair and was usually found between the buttocks.
4 days ago · Ingest cysts in water, not killed by normal chlorination: Stool exam for O&P; EIA for antigens: Metronidazole or nitazoxanide: Ubiquitous: campers, ski resorts, dogs, wild animals, especially beavers: Entamoeba histolytica (ameba) Amebiasis. Colon; liver; other organs: Ingest cysts from fecal contamination of water or food or oral/anal behaviors
5 days ago · CT. Fluid density cyst, with frequent peripheral focal areas of calcification, usually indicates no active infection if completely circumferential. Septa and daughter cysts may be visualized. The water-lily sign indicates a cyst with a floating, undulating membrane, caused by a detached endocyst.
2 days ago · Cyst Pseudopodia: Lon and finger like Motility: Progressive and directional Nuclear characteristic: Central but distinct “Bull’s eye karyosome”. Shape: Spherical Number of nuclei: 1-4 Shape of chromatoidal bodies: Cigar shaped, sausage shapes, Barr shape AMOEBIASI S - Dysentery Entamoeba coli -Vacuolated or granular endoplasm with ...
Apr 26, 2024 · Complexity of cell structure: prokaryotic and eukaryotic organisms. Prokaryotes: They are single-celled microorganisms, the most primitive on earth. They lack true nuclei and other membrane-bounded cell organelles and contain 70s ribosomes in their cell. E.g. Bacteria, cyanobacteria, rickettsia, etc.
