Bacillus (shape) facts for kids

Kids Encyclopedia Facts
Bacillus species
A typical bacillus, Gram stained: click for enlarged view

A bacillus (plural bacilli) is a rod-shaped cylindrical bacteria. Bacilli are found in many different taxonomic groups of bacteria.

  • If it is not capitalized or italicized the name refers to any rod-shaped bacterium.

There is no connection between the shape of a bacterium and its colors in the gram staining. In other words, some of them are gram negative and some are gram positive.


Bacillus (shape) Facts for Kids. Kiddle Encyclopedia.