Bacillus

What Kind of Doctor Do I Need? Slideshow

Medical Definition of Bacillus

Bacillus: A large family of bacteria that are rod-like in shape. They include the bacteria that cause food to spoil, as well as those that are responsible for some diseases. Helpful members of the bacillus family are used to make antibiotics or colonize the human intestinal tract and aid with digestion.


Subscribe to MedicineNet's General Health Newsletter

By clicking Submit, I agree to the MedicineNet's Terms & Conditions & Privacy Policy and understand that I may opt out of MedicineNet's subscriptions at any time.

Reviewed on 3/19/2012

Health Solutions From Our Sponsors