A trophozoite (G. trope, nourishment + zoon, animal) is the activated, feeding stage in the life cycle of certain protozoa such as malaria-causing Plasmodium...
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Naegleria fowleri (section Trophozoite stage)
forms: cyst, trophozoite (ameboid), and biflagellate. While it does not form cysts in solid human tissue, where only the amoeboid trophozoite stage is present...
33 KB (3,535 words) - 00:24, 16 August 2024
means disintegration and dissolution of organic tissues. The active (trophozoite) stage exists only in the host and in fresh loose feces; cysts survive...
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form and a trophozoite form. The cyst form is infectious and once it has found a host, transforms into the trophozoite form. This trophozoite attaches to...
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Plasmodium falciparum (section Trophozoite)
These merozoites invade the erythrocytes (red blood cells) to form trophozoites, schizonts and gametocytes, during which the symptoms of malaria are...
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and which can render it tolerant to certain disinfectants. Giardia trophozoites are anaerobic, and absorb their nutrients from the intestinal lumen....
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reproductive process of apicomplexa. After infecting a host cell, a trophozoite (see glossary below) increases in size while repeatedly replicating its...
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Iodamoeba buetschlii (section Trophozoite)
contamination and humans may experience diarrhea. The trophozoites are 9–14 micrometres in diameter. Trophozoites are one of the two forms of I. buetschlii. This...
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develop into a trophozoite ring. The trophozoites moult into merozoites, which have a tetrad structure coined a Maltese-cross form. Trophozoite and merozoite...
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malaria parasite Plasmodium feeds by pinocytosis during its immature trophozoite stage of life (ring phase), but develops a dedicated feeding organelle...
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The mature adult of Monocystis is a feeding stage called a trophozoite. The young trophozoite lives in the sperm morula (group of developing sperm) of the...
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and with an abnormally large cell nucleus. On average, a Balamuthia trophozoite is about 30 to 120 μm in diameter. The cysts fall around this range,...
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the disease giardiasis. Their life cycle alternates between a swimming trophozoite and an infective, resistant cyst. Giardia were first described by the...
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within the genus, Acanthamoeba, are generally free-living trophozoites. These trophozoites are relatively ubiquitous and can live in, but are not restricted...
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Endolimax (section Trophozoite)
It forms cysts with four nuclei which excyst in the body and become trophozoites. Endolimax nana nuclei have a large endosome somewhat off-center and...
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Chilomastix (section Trophozoites)
Chilomastix has a resistant cyst stage responsible for transmission and a trophozoite stage, which is recognized as the feeding stage. Chilomastix mesnili...
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the amoeba is immobile, and keeps its round shape. This amoeba, in its trophozoite stage, is only visible in fresh, unfixed stool specimens. Sometimes the...
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vaginalis exists in only one morphological stage, a trophozoite, and cannot encyst. The T. vaginalis trophozoite is oval as well as flagellated, or "pear" shaped...
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condition is usually diagnosed by directly examining fecal samples for trophozoites; however, diagnosis is difficult due to the short lifespan and the morphological...
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semi-dormant and hardy structure found in feces. Any non-encysted amoebae, or trophozoites, die quickly after leaving the body but may also be present in stool:...
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the form of a clear anterior bulge. They have a simple life cycle. The trophozoite (feeding-dividing form) is approximately 10-20 μm in diameter and feeds...
14 KB (1,482 words) - 20:12, 16 October 2023
Balantidium coli has two developmental stages, a trophozoite stage and a cyst stage. In trophozoites, the two nuclei are visible. The macronucleus is...
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6,944/microl for sporozoite-induced infections and 7,310/microl for trophozoite-induced infections. In some cases, relapse may occur up to 4 years after...
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ex vivo, direct observation of living Pneumocystis is difficult. The trophozoite stage is thought to be equivalent to the so-called vegetative state of...
20 KB (2,332 words) - 19:51, 13 June 2024
Acanthamoeba has two stages in its life cycle, the metabolically active trophozoite stage and a dormant, stress-resistant cyst stage. In nature, Acanthamoeba...
25 KB (2,826 words) - 06:31, 23 March 2024
ribosomal RNA were all found on the same chromosome. Trichomonas has a trophozoite form, its pear-shaped form, which is most commonly observed, and an amoeboid...
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saline, tap water or distilled water. Di refers to the two nuclei in the trophozoites (feeding stage of the organism). Ent refers to the enteric environment...
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invadens found that, during the conversion from the tetraploid uninucleate trophozoite to the tetranucleate cyst, homologous recombination is enhanced. Expression...
45 KB (4,020 words) - 11:36, 9 August 2024
invadens found that, during the conversion from the tetraploid uninucleate trophozoite to the tetranucleate cyst, homologous recombination is enhanced. Expression...
41 KB (3,651 words) - 00:56, 18 August 2024
mosquito to human Immature trophozoites (Ring or signet-ring shaped), about 1/3 of the diameter of a RBC. Mature trophozoites: Very irregular and delicate...
44 KB (5,157 words) - 19:00, 12 August 2024