Source:http://linkedlifedata.com/resource/umls/id/C0026390
NCI: A taxonomic phylum within kingdom Bacteria consisting of the Mollicutes, a class of intracellular parasitic bacteria without a cell wall.,MSH: A phylum of gram-negative bacteria consisting of cells bounded by a plasma membrane. Its organisms differ from other bacteria in that they are devoid of cell walls. This phylum was formerly the class Mollicutes. Mollicutes is now the sole class in the phylum Tenericutes.