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n. pl. coc·co·ba·cil·li (-sĭl′ī)
A bacillus that is short and oval in shape.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Noun1.coccobacillus - a bacterial cell intermediate in morphology between a coccus and a bacillus; a very short bacillus
Brucella - an aerobic Gram-negative coccobacillus that causes brucellosis; can be used as a bioweapon
eubacteria, eubacterium, true bacteria - a large group of bacteria having rigid cell walls; motile types have flagella
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References in periodicals archive ?
Clue cell is a term for vaginal SECs that are coated with tiny coccobacilli such that the SEC border is obliterated or appears shaggy and may be dense enough to partially obscure the nucleus.
On day 3, scant growth of small white colonies was observed on sheep's blood agar and chocolate agar but not on MacConkey agar; Gram stain testing showed gram-negative coccobacilli. The organism was positive for oxidase and catalase, but testing with VITEK2 (bioMerieux, Marcy 1'Etoile, France) did not identify the organism.
INTRODUCTION: Acinetobacter are Gram-negative Coccobacilli, strictly aerobic, non-motile, catalase positive, oxidase negative and lack pigmentation.
Acinetobacter species are ubiquitous aerobic gram negative coccobacilli, emerging as an inevitable potential pathogen to establish its survival in the host environment and among debilitated patients by producing various extracellular virulence factors.
After bronchoscopy, 2 of 3 bronchial lavage (BAL) samples were found to be positive for acid-fast coccobacilli by microscopy, and rapidly growing, deep orange mycobacteria grew in all 3 cultures.
Brucellosis can be caused by Brucella abortus, Brucella melitensis, and Brucella suis, which are gram-negative coccobacilli. These organisms are highly infectious, and as few as 10-100 bacteria can produce disease after being inhaled.
The primary bacterial vaginosis is manifested with predominance of Gram -variable coccobacilli consists of Gardnerella vaginalis, Peptostreptococcus, bacteroids, Mobiluncus, mycoplasma, diphtheroids, candida, trichomonas vaginalis and helminthic infestation.
Gram staining of a blood smear prepared from the third erythrocyte unit showed a large number ([approximately equal to] [10.sup.6] CFU/mL) of gram-variable coccobacilli.
* Predominance of coccobacilli consistent with shift n vaginal flora
On all media, the placental swab sample yielded moderate growth of tiny colonies, which Gram staining indicated were gram-positive coccobacilli.
Morphology on gram stain Number % 1) Gram positive Cocci 27 57.7% 2) Gram negative coccobacilli 1 2.2% 3) Gram negative rods 16 35.5% 4) Gram positive budding yeast cells 1 2.2% 5) Gram positive thick bacilli 2 4.4% 45 Table No.