The Hand Symbol-Meaning Native American symbols, like the hand symbol, are geometric portrayals of celestial bodies, natural phenomena and animal designs.Native Indian symbols were used for a variety of reasons and depicted on numerous objects such as tepees and clothing.and Symbol Meaning The next picture illustrates the use of the black hand symbol on the white horse. Black was used to symbolize victory and might be applied to the horse before returning home to the camp. Black Paint was made using ground charcoal, mixed with spit or animal fat, so it was readily available.
Shiga Toxin-Producing E. coli Infection Facts. Escherichia coli, or E. coli for short, is a very common bacterium. There are hundreds of different strains of E. coli. Some are harmless while others cause serious illness.
Shigella bacteria multiply in the human intestinal tract and invade the cells, which results in much tissue destruction. [29] Many strains produce a toxin called Shiga toxin, which is very potent and destructive. [16, 22] Shiga toxin is very similar to the verotoxin of E. coli O157:H7.