Pseudomonas /so̅o̅dom″ənas/ [Gk, pseudes + monas, unit] , a genus of gram-negative bacteria isolated from wounds, burns, and infections of the urinary tract that includes several free-living species in soil and water and some opportunistic pathogens, such as Pseudomonas aeruginosa. Pseudomonads are notable for their fluorescent pigments and their resistance to disinfectants and antibiotics.
