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

• 芽孢杆菌一种杆状，孢子型的好氧型细菌芽孢杆菌属，经常成串地产生，包括芽孢杆菌蒽属，它会引起炭疽病