Cocci vs. Bacilli — What's the Difference?

Plural of coccus.

Bacilli is a taxonomic class of bacteria that includes two orders, Bacillales and Lactobacillales, which contain several well-known pathogens such as Bacillus anthracis (the cause of anthrax). Bacilli are almost exclusively gram-positive bacteria.The name Bacillus, capitalized and italicized, refers to a specific genus of bacteria.

Coccidioidomycosis

Any of various bacteria, especially a rod-shaped bacterium.

Any spherical or nearly spherical bacteria

Any of various rod-shaped, spore-forming, aerobic bacteria of the genus Bacillus that often occur in chains and include B. anthracis, the causative agent of anthrax.

Plural of bacillus; usually designating aerobic rod-shaped spore-producing bacteria; they often occur in chainlike formations.

Aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil