Wednesday, May 25, 2011

[kl-bogel] Bacteria under a microscope

Meet with the bacteria, which account for 90 percent of living cells in the body. The human body is home to trillions of life forms, ranging from core coliform bacteria E.coli, which use their three tail to move vigorously to us inside, and ending with salmonella bacteria that cause food poisoning, but they can live happily on our skin, without exerting any influence on us.

(13 photos)


1. Computer image of bacteria (blue and green) on human skin. Many species of bacteria found on human skin, particularly those associated with the secretions of sweat glands and hair follicles. As a rule, they do not cause problems, although some of them can cause acne. The bacteria usually can become a problem only if they penetrate the skin, such as through a wound or incision.


2. There is from 500 to 1000 different species of bacteria in each human body. They proliferate, reaching the number of 100 trillion cells - roughly ten times greater than human cells, which constitute a single organism.
Computer image of the bacteria Helicobacter Pylori in the stomach, associated with the occurrence of gastric ulcers and cancer.


3. Lecturer Institute of Technology, Cork, Dr Roy Slitor, said: "Only the human intestine contains almost four and a half pounds of bacteria, we, in fact, only ten percent of the people - the rest are different microbes."
Computer image of chains of bacterial pneumonia, Streptococcus pneumoniae. This gram-positive bacteria are oval in shape, which is one of the reasons for pneumonia. They can also cause dangerous infections of the lungs.


4. The fact that we consist mostly of different bacteria can cause alarm, but Dr. Slitordal understand that bacteria are our good - and without them we would not have survived. "This is a bacterial-human interaction for the most part is symbiotic. In exchange for food and nutrition, the bacteria help us with digestion, the formation of vitamins and help to strengthen our immune system In addition, they protect us from pathogenic infections - the so-called "bad bacteria," he says.
Computer image of E. coli in the intestine. They can cause bacterial diarrhea.


5. Conceptual image of a few cocci bacteria on the cell surface.


6. Ciliated rod-shaped bacterium. Typical rod-shaped bacteria include Escherichia coli and Salmonella.


7. Floating bacteria.


8. Obtained with an electron microscope image of Helicobacter Pylori.


9. Ciliated (with hairs), rod-shaped bacteria.


10. Bacterium Helicobacter Pylori.


11. Typical rod-shaped bacteria Escherichia coli and Salmonella bacteria, these bacteria have flagella (volosopodobnye structure) at one end, which allow them to move.


12. Computer image of the bacteria Enterococcus faecalis. The bacterium is one of the so-called supervirus that are resistant to antibiotics.


13. Computer image of the bacteria Helicobacter pylori in the human stomach. They cause gastritis and is the most common cause of stomach ulcers. Can also become a cause of stomach cancer and cause stomach bleeding.

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