Giardiasis is the most frequently diagnosed intestinal parasitic disease in the United States and among travelers with chronic diarrhea. Signs and symptoms may vary and can last for 1 to 2 weeks or longer. In some cases, people infected with Giardia have no symptoms.

Giardiasis is the most frequently diagnosed intestinal parasitic disease in the United States and among travelers with chronic diarrhea. Look at those smiley faces

giardia   >>   This parasite is in our San Bernardino mountain streams and falls...don't drink the water without boiling first...

Giardiasis - Beaver Fever Giardiasis — popularly known as beaver fever — is a disease caused by the flagellate protozoan Giardia lamblia (also sometimes called Giardia intestinalis and Giardia duodenalis).

Giardia lamblia...smiling all the way down your GI track

Giardia - I've been amazed to see how pretty microcopic photos of deadly things can be - ebola, salmonella, etc. But THIS IS RIDICULOUS! These little bastards have smiley faces!

Giardia duodenalis, aka G. lamblia, G. intestinalis   This uncommon preparation of a common parasite nicely demonstrates how the mor...

Giardia duodenalis, aka G. lamblia, G. intestinalis This uncommon preparation of a common parasite nicely demonstrates how the mor.

Giardia lamblia lives in the intestine as a trophozoite, where it undergoes asexual reproduction. In this image, the trophozoites' microtubule skeletons are immunostained (red), while their paired nuclei are DAPI stained (fluorescent blue).

Giardia lamblia lives in the intestine as a trophozoite, where it undergoes asexual reproduction. In this image, the trophozoites' microtubule skeletons are immunostained (red), while their paired nuclei are DAPI stained (fluorescent blue).

Giardia lamblia - A flagellated protozoan parasite that can colonize in the small intestine and cause 'giardiasis' (diarhea/GI sx)

Giardia lamblia - A flagellated protozoan parasite that can colonize in the small intestine and cause 'giardiasis' (diarhea/GI sx)

Giardia lamblia is a flagellated protozoan parasite that colonizes and reproduces in the small intestine, causing giardiasis. The parasite attaches to the epithelium by a ventral adhesive disc. Giardiasis does not spread via the bloodstream, nor does it spread to other parts of the gastrointestinal tract, but remains confined to the lumen of the small intestine.Giardia trophozoites absorb their nutrients from the lumen of the small intestine, and are anaerobes.

Giardia lamblia is a flagellated protozoan parasite that colonizes and reproduces in the small intestine, causing giardiasis. The parasite attaches to the epithelium by a ventral adhesive disc.

Happy Valentine's Day! Scanning electron micrograph (SEM) depicting a Giardia lamblia protozoan undergoing binary fission, creating what appears to be a microscopic “heart”

It looks cute but this little protozoan will give you terrible diarrhea. Scanning electron micrograph (SEM) depicting a Giardia lamblia protozoan undergoing binary fission, creating what appears to be a microscopic “heart.

Protozoa, Intestinal flagellates, Phylum Sarcomastigophora, Subphylum: Mastigophora, Giardia lamblia Trophozoite 9-20 um. Transmission: cause giardiasis, fecal-oral route, contaminated food, water, person to person. Diagnosis: actively motile trophozoites (liquid or soft fecal specimens)

Protozoa, Intestinal flagellates, Phylum Sarcomastigophora, Subphylum: Mastigophora, Giardia lamblia Trophozoite 9-20 um. Transmission: cause giardiasis, fecal-oral route, contaminated food, water, person to person. Diagnosis: actively motile trophozoites (liquid or soft fecal specimens)

Giardia lamblia, a protozoan parasite that colonises and reproduces in the small intestine

Scanning electron micrograph (SEM) of Giardia lamblia. This one-celled microscopic flagellate protozoan is an intestinal parasite in humans causing giardiasis (lambliasis), an intestinal disorder

giardia lamblia

Giardia lamblia - this is why you do NOT drink from creeks, lakes, etc! Can you say bloody stools and severe abdominal cramping?

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