Noun

Any infectious bacterium of the genus Mycoplasma , often specifically

*

*{{quote-magazine, date=2013-03

, author= , title=The Smallest Cell , volume=101, issue=2, page=83 , magazine= citation , passage=It is likely that the long evolutionary trajectory of Mycoplasma went from a reductive autotroph to oxidative heterotroph to a cell-wall–defective degenerate parasite. This evolutionary trajectory assumes the simplicity to complexity route of biogenesis, a point of view that is not universally accepted.}}

Noun

(wikipedia mycobacterium) (mycobacteria)

(biology) Any of many rod-shaped, aerobic bacteria, of the genus Mycobacterium , that cause diseases such as tuberculosis and leprosy.