NCIt definition : A species of anaerobic, Gram negative, cocci shaped bacteria assigned to the phylum
Firmicutes. This species is catalase negative and does not require putrescine or cadaverine
for growth. V. parvula is commensal, residing in the mouth, or the intestinal or respiratory
tracts and is rarely pathogenic.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Veillonella parvula.;