What causes bacillary dysentery and Diarrhoea in humans?
What causes bacillary dysentery and Diarrhoea in humans?
Bacillary dysentery, or shigellosis It is caused by the Shigella bacillus. Poor hygiene is the main source. Shigellosis can also spread because of tainted food. In Western Europe and the U.S., it is the most common type of dysentery in people who have not visited the tropics shortly before infection.
What causes the disease dysentery?
The cause of dysentery is usually the bacteria from genus Shigella, in which case it is known as shigellosis, or the amoeba Entamoeba histolytica; then it is called amoebiasis. Other causes may include certain chemicals, other bacteria, other protozoa, or parasitic worms. It may spread between people.
What is the pathogenesis of bacillary dysentery?
Dysentery is caused when the bacteria escape the epithelial cell phagolysosome, multiply within the cytoplasm, and destroy host cells. Shiga toxin causes hemorrhagic colitis and hemolytic-uremic syndrome by damaging endothelial cells in the microvasculature of the colon and the glomeruli, respectively.
Why is shigellosis called bacillary dysentery?
Shigellosis, commonly known as bacillary dysentery, is an enterobacterial disease caused by the Shigella genus, which now belongs to the Escherichia tribe, because of their genetic and phenotypic similarities. S. sonnei, flexneri, boydii and dysenteriae differ in their epidemiologic and pathogenic characteristics.
What are the basic cause of typhoid?
Typhoid fever is caused by dangerous bacteria called Salmonella typhi. Salmonella typhi is related to the bacteria that cause salmonellosis, another serious intestinal infection, but they aren’t the same.
How is dysentery diagnosis?
If a doctor suspects dysentery, a stool sample usually will be required for analysis. For bacterial infections such as shigella, the diagnosis is made by culture of the stool. Unfortunately, such cultures are not available in most developing countries and the diagnosis is made clinically on the basis of symptoms.
What is the meaning of bacillary?
Definition of bacillary 1 : shaped like a rod also : consisting of small rods. 2 : of, relating to, or caused by bacilli.
What is the difference between amebic dysentery and bacillary dysentery?
Amebic dysentery (amebiasis) is caused by an ameba called Entamoeba histolytica. Bacillary dysentery is a type of dysentery and a severe form of shigellosis caused by S. sonnei, S.
What is the basic cause of typhoid?
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