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coccus
(redirected from Gram-negative anaerobic cocci)

    Also found in: Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
coccus /coc·cus/ (kok´us) pl. coc´ci   [L.] a spherical bacterium, less than 1 μm in diameter.coc´cal
coc·cus (kks)
n. pl. coc·ci (kks, kk)
A bacterium of round, spheroidal, or ovoid form.
coccoid (kkoid), coccal (kkl) adj.
coccus
[kok′əs] pl. cocci
Etymology: Gk, kokkos, berry
a bacterium that is round, spheric, or oval, such as gonococcus, pneumococcus, staphylococcus, and streptococcus. coccal, adj.
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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