Coccus

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Arrangement of cocci bacteria en.svg
Staphylococcus bacteria

A coccus (plural cocci) is any bacterium that has a spherical, ovoid, or generally round shape.[1] It is one of the three distinct bacterial shapes, the other two being bacillus (rod-shaped) and spiral-shaped cells.

Coccus is an English loanword of a Neolatin noun, which in turn stems from the Greek masculine noun kokkos (κόκκος) meaning "berry".[2]

Arrangements

Cocci may occur as single cells or remain attached following cell division. Those that remain attached can be classified based on cellular arrangement:[1]

References

  1. 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.
  2. κόκκος. Liddell, Henry George; Scott, Robert; A Greek–English Lexicon at the Perseus Project

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