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4.1 Cell Morphology (cell shape) & arrangement

Coccus (greek = berry); plural cocci

Diplococci - divide once in one plane (axis)

(eg Neisseria gonnorrhoeae, N. meningitidis)

Chain: divide more than once in one plane

(eg Streptococcus pyogenes)

Cuboid: regular division in two planes at

right angles (eg Sarcina luteus)

Cluster: divide in two planes at different

angles (eg Staphyloccus aureus)