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coccus |
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coccus /coc·cus/ (kok´us) pl. coc´ci [L.] a spherical bacterium, less than 1 µm in diameter.coc´cal
coccus pl. cocci [L.] a spherical bacterium, usually slightly less than 1 µm in diameter, belonging to the Micrococcaceae family. It is one of the three basic forms of bacteria, the other two being bacillus (rod-shaped) and spirillum (spiral-shaped). Almost all of the pathogenic cocci are either staphylococci, which occur in clusters, or streptococci, which occur in short or long chains. Both staphylococci and streptococci are gram-positive and do not form spores. |
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The microscopic analysis by Jim Mattoon, director of the biotechnology center at the University of Colorado at Colorado Springs, found it covered with a bunch of bacteria, most of the coccus type. In the plates with agarose in distilled water, there was no indirect inhibition, but slight direct inhibition was observed at the anode for the gram-negative rods and at the cathode for a gram-positive coccus. a novel, anaerobic, gram-negative coccus isolated from clinical samples. |
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