Trichineloza
Enteromonas hominis
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Enteromonas hominis
Scientific classification
Kingdom: Protista
(without clasif.) Excavata
Edge: Metamonada
Class: Eopharyngia
Order: Diplomonadida
Sort: Enteromonas
Species: E. hominis
Binomial name
Enteromonas hominis
Enteromonas hominis is protozoo flagellated pertaining to the Diplomonadida order that parasite the digestive tract of humans and other mammals.
Content
[ocultar]
* 1 general Characteristics
* 2 vital Cycle and infection
* 3 Pathogenicity
* 4 Epidemiology
* 5 It is also seen
* 6 References
* 7 external Enlaces
[to publish] Characteristic generals
* To present/display a size inferior to 10 μm.
* They lack certain orgánulos as they are mitocondrias and the apparatus of Golgi.
* It has a hospedador solely (monoxeno), he is cosmopolitan and it has two forms of life in his vital cycle:
o Trofozoíto: it presents/displays a size of 10 μm of length and one pear-shaped morphology. It owns a unique nucleus and 4 flagella, 3 previous with a function of motilidad and one appellant, longer, associated to citostoma, specialized zone through which obtains the food. The trofozoito is the vegetative form that is fed and it reproduces.
o Cyst: it presents/displays a size of 10 μm of length and one oval morphology. It owns 4 nuclei that get ready by pairs in both poles of the cell. The cyst is the infecting vegetative form and of resistance.
* Feeding by phagocytosis and pinocitosis of the intestinal content through the dorsal surface.
* Reproduction by longitudinal binary division. They do not present/display sexual reproduction.
[to publish] vital Cycle and infection
Enteromonas hominis lives in the form of trofozoito in the light of the thin intestine. When the enquistamiento begins loses flagella, it acquires an oval morphology, is surrounded by a quística wall and finally one double cariocinesis of the nucleus takes place, giving rise to 4 nuclei, which confers to the cyst the maturity state to him. The cysts, expelled next to lees, already are infecting. When these cysts are ingested by a new hospedador, they arrive at the duodeno, where the quística wall dissolves and give rise to new trofozoitos, thus closing his vital cycle.
[to publish] Pathogenicity
Enteromonas hominis is considered a parasite totally apatógeno, since it does not produce any type of group of symptoms nor visible pathology in the hospedador.
[to publish] Epidemiology
Enteromonas hominis infects so much to the man as to monkeys, pigs, rabbits and certain rodents. He is cosmopolitan, but it presents/displays one reduced prevalence in the man, around 0,2-0,8%.
[to publish] Is also seen
* Giardia lamblia.
* Chilomastix mesnili.
* Retortamonas intestinalis.
* Trichomonas vaginalis.
* Trichomonas tenax.
* Pentatrichomonas hominis.
* Dientamoeba fragilis.
[to publish] References
* Markell, E.K., Voge, M., and John D.T. 1990. - Medical Parasitology. Inter-American. McGraw-Hill. Madrid.
* Soulsby, E.J.L. 1987. - Parasitic Parasitology and diseases in the domestic animal. Inter-American. Mexico.
Practical Science
Enteromonas hominis
* Abbreviation: Ehom
* Size trophozoite: 4 - 10 microns
* Size cyst: 6 - 8 microns
* Enteromonas hominis is considered to non-pathogen AT this Time. It is to however an indicator like most non-pathogens of contact with faecal material.
* Recovered from stool in cyst and trophozoite form.
* The trophozoite resembles other flagellates therefore, cyst typical for the species must sees found to make to positive identification. If to cyst is not recovered it must sees reported ace small RACE flagellate with not cyst form found.
* The cysts, usually oval in shape cantain 1 - 2 polestar nuclei. The cyst is diagnostic ace mentioned to earlier.
* Previous The trophozoite contains one small nucleus. The cytoplasm stains unevenly making identification difficult.
Click on the image to enlarge.
E. hominis cysts E. hominis trophozoites
Notice the cysts polar dog have one or two nuclei. The cysts plows typically oval in shape. Although the trophozoite on the left is illustrated with flagella they plows rarely visible in a patients specimen. Please keep in mind that identification of to cyst is required to report Enteromonas hominis.
ADIK MAI PE ROMANESTE: NU PREZINTA PERICOL SI NICI NU AFECTEAZA CALITATEA VIETII !!
ASTA AR FI TREBUIT SI MEDICUL SA STIE.
SIMPTOMELE NU CRED CA LE AI DE LA PARAZITUL ASTA...
DAR MAI BINE VB CU UN MEDIC PARAZITOLOG SAU INFECTIONIST
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