12/07/2012

Pneumococcus

The pneumococcus (Streptococcus pneumoniae) is a spherical bacterium, gram-positive, non-mobility itself, and which cause pneumonia, inflammation of the facial sinuses (sinusitis), and meningitis. Pneumococcus is provided in pairs, ie Diplococcus, as streptococcus, forming chains also multiplied in liquid culture media, but is characterized by sensitivity to bile salts. They also have a mucous capsule containing carbohydrates, especially antigenicity. Using an appropriate immune serum, resulting in swelling of the capsule can diferenicar pneumococci are four main types: type I, II, III and IV.

Injuries caused by a very dangerous type III, characterized by unusually rich mucous exudates which are not formed by the cells of the body, but by the pneumococcus. Type IV is divided into several subgroups. Other pneumococci produce fibrin-rich exudate leukocytes. Pneumococci was a regular guest of the respiratory tract and upper mouth. Although lung infections occur, they can, through the blood to distant organs, such as leptomeninges, as well as for children without a safety peritoneum can be shown by the gateway.

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