head picture
streptococcus mutans micrograph
microscope picture Gram-positive cocci in chains

Streptococcus mutans

A photomicrograph of Streptococcus mutans bacteria using Gram stain technique. Blood agar plate culture yields coccal-like morphology without chains. The S. mutans organism can cause subacute bacterial endocarditis and dental caries.
 
 

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