Shigella dysenteriae

**Definition:** A species of gram-negative, facultatively anaerobic, rod-shaped bacteria that is extremely pathogenic and causes severe dysentery. Infection with this organism often leads to ulceration of the intestinal epithelium.

**Tree numbers:** - B03.440.450.425.850.350 - B03.660.250.150.730.125

**Synonyms:** - Bacillus dysenteriae - Bacillus dysentericus - Bacillus shigae - Eberthella dysenteriae - Shigella shigae