Dictionary.net

the smallest self-reproducing prokaryote; lacks a cell wall and can survive without oxygen; can cause pneumonia and urinary tract infection

the smallest self-reproducing prokaryote; lacks a cell wall and can survive without oxygen; can cause pneumonia and urinary tract infection

A genus of gram-negative, facultatively anaerobic bacteria bounded by a plasma membrane only. Its organisms are parasites and pathogens, found on the mucous membranes of humans, animals, and birds.