Paint and image-editing software, such as Adobe Photoshop, generate bitmap images (not to be confused with the Photoshop Bitmap color mode), also called raster images. The images use a grid of small squares, known as pixels, to represent graphics.
Inflamed tonsils. Tonsillitis is most often caused by common viruses, but bacterial infections can also be the cause. The most common bacterium causing tonsillitis is Streptococcus pyogenes (group A streptococcus), the bacterium that causes strep throat.Other strains of strep and other bacteria also may cause tonsillitis.onsillitis is most often caused by common viruses, but bacterial infections can also be the cause.
Bacterial enterocolitis. Disease-causing bacteria usually invade the small intestines and colon and cause enterocolitis (inflammation of the small intestine and colon). Bacterial enterocolitis is characterized by signs of inflammation (blood or pus in the stool, fever) and abdominal pain and diarrhea. Campylobacter jejuni is the most common bacterium that causes acute enterocolitis in the U.S. Other bacteria that cause enterocolitis include Shigella, Salmonella, and EPEC.