Chain of Streptococcus sp. bacteria

Chain of Streptococcus sp. bacteria

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Caption: Streptococcus bacteria. Coloured Scanning Electron Micrograph (SEM) of Streptococcus type A bacteria, forming a chain. Streptococci are spherical, Gram- positive bacteria that typically form chains. Although most are saprophytes (feeding on dead and decaying matter), some species are parasites of humans and animals. They are also a part of the normal, healthy flora of the human respiratory, alimentary (gut) and female genital tracts. Pathogenic species include: S. pneumoniae , and S. pyogenes, which accounts for the high incidence of sore throats and tonsillitis in young children. Magnification: x13,000 at 35mm size.


Keywords: bacteria, bacterial, bacteriology, bacterium, gram-positive bacteria, micro-organisms, microbe, microbes, microbiology, scanning electron micrograph, sem, streptococcus, streptococcus sp., type, type a
