mycoplasma

Any of various extremely small bacteria of the genus Mycoplasma that lack cell walls, are usually nonmotile, and are often pathogenic or parasitic in mammals.

A term applied by Eriksson to a latent infective form of Puccinia which, concealed within the cytoplasm of the host-cells, later develops into mycelium. Also mycoplasm.

Any infectious bacterium of the genus Mycoplasma, often specifically Mycoplasma pneumoniae

any of a group of small parasitic bacteria that lack cell walls and can survive without oxygen; can cause pneumonia and urinary tract infection