Giardia - a very small germ of the order parasites. It is this organism causes disease giardiasis . Giardia performs its parasitic activity in the biliary system, as well as its human gut. It consists of 8 and flagella disc equipped with suckers. Due to this, it is retained on the inside of the intestinal wall. The body size of 10 to 18 microns.
Giardia multiply by longitudinal division into two. Coming out of the body in the faeces as trophozoites and cysts are formed in the intestine. Trophozoites can not survive in the environment, in contrast to the cyst, which is ingested by the other hosts through fecal-oral route
Giardia have been found in humans, cats, dogs and rodents. The microbe may be in two different states, a movable (vegetative) and movable (in the form of cysts).In
upper small intestine, preferably are in the form of Giardia vegetative form. They feed on the remains of splitting food, especially carbohydrate. Once Giardia reach the colon, they are converted into cysts (spore form). If defecation microbes get into the environment.Pathogenicity
Giardiasis - a disease that is associated with parasitism Giardia, in the small intestine, and occasionally in the gall bladder. Often affects children, from the age of three. Microorganisms disrupt the absorption of fats, fat-like substances, the process of absorption of fat, fat-like substances, carbohydrates, and motor function of the intestine.