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Giardia duodenalis, also known as Giardia intestinalis and Giardia lamblia, is a flagellated parasitic protozoan microorganism of the genus Giardia that colonizes the small intestine, causing a diarrheal condition known as giardiasis. [1] [2] [3] The parasite attaches to the intestinal epithelium by a ventral disc (syn.
Giardiasis is a parasitic disease caused by Giardia duodenalis (also known as G. lamblia and G. intestinalis). [3] Infected individuals who experience symptoms (about 10% have no symptoms) may have diarrhea, abdominal pain, and weight loss. [1] Less common symptoms include vomiting and blood in the stool. [1]
Lamblia R. Blanchard, 1888 [2] Giardia ( / dʒ iː ˈ ɑːr d i ə / or / ˈ dʒ ɑːr d i ə / ) is a genus of anaerobic flagellated protozoan parasites of the phylum Metamonada that colonise and reproduce in the small intestines of several vertebrates , causing the disease giardiasis .
Giardia lamblia: lumen of the small intestine: stool worldwide? ingestion of water containing deer or beaver feces Isosporiasis: Isospora belli: epithelial cells of small intestines: stool worldwide – less common than Toxoplasma or Cryptosporidium: fecal oral route – ingestion of sporulated oocyst Leishmaniasis: Leishmania spp.
The common intestinal parasite Giardia duodenalis (synonyms Giardia lamblia, G. intestinalis) was once considered to be a descendant of a protist lineage that predated the emergence of meiosis and sex. However, researchers found G. duodenalis to have a core set of genes that function in meiosis and that are widely present among sexual ...
Giardia lamblia, a parasitic ... It contains a variety of free-living and symbiotic protists, and includes some important parasites of humans such as Giardia and ...
Protozoa such as Giardia may cause longer term disease. [3] The risk is greatest in the first two weeks of travel and among young adults. [2] People affected are more often from the developed world. [2] Recommendations for prevention include eating only properly cleaned and cooked food, drinking bottled water, and frequent hand washing. [4]
Giardia lamblia virus; Cryo-EM reconstruction of Giardia lamblia virus (GLV) particle color based on distance from center Virus classification (unranked):