Source:http://linkedlifedata.com/resource/umls/id/C0314820
NCI: A species of anaerobic, Gram positive, rod shaped bacteria assigned to the phylum Actinobacteria. This bacteria is urease positive, hydrolyzes esculin and does not produce acid from mannitol. A. naeslundii is a commensal organism of the oral cavity and colonizes tooth surfaces but may cause infection and periodontal disease in cases in which oral trauma occurs.,NCI: Any bacterial organism that can be assigned to the species Actinomyces naseslundii.