NCIt definition : A species of anaerobic, Gram-positive, cocci shaped bacteria assigned to the phylum
Firmicutes. This species is indole and urease negative, nonfermenting, beta-hemolytic,
and does not reduce nitrate. P. micra is commensal to the human mouth, gastrointestinal
tract and female genito-urinary tract, but may become pathogenic.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Parvimonas micra.;