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Coccobacillus
A
coccobacillus
(plural
coccobacilli
) is a type of
bacterium
with a shape intermediate between
cocci
(spherical bacteria) and
bacilli
(rod-shaped bacteria). Coccobacilli are therefore in essence very short rods which may be mistaken for cocci.
Haemophilus influenzae
,
Gardnerella vaginalis
, and
Chlamydia trachomatis
are coccobacilli.
Aggregatibacter actinomycetemcomitans
is a Gram-negative coccobacillus prevalent in subgingival plaques.
Acinetobacter
strains may grow on solid media as coccobacilli.
Bordetella pertussis
is a Gram-negative coccobacillus responsible for causing
whooping cough
.
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