Visual Images of Bacillus anthracis

Slide: Bacillus anthracis on agar

Typical appearance of Bacillus anthracis on blood agar. Note the absence of hemolysis.

Slide: Bacillus anthracis colonial morphology

Close-up of colonies of Bacillus anthracis on blood agar. Colonies are 3-5mm slightly convex with a greyish-white ground glass texture.

Slide: Bacillus anthracis spore and veg form - gram stain

Vegetative and spore forms of B. anthracis as they appear on gram stain

Slide: Wound smear

Appearance of B. anthracis on a gram stain of a direct smear from a cutaneous lesion.

Slide: Anthrax lesion #1

Typical anthrax lesion on arm at 5th day.

Slide: Anthrax lesion #2

Typical anthrax lesion on arm at 10th day.