umls-concept:C0004515 | skos:definition | CSP: genus of gram-negative, aerobic bacteria found in soil and water; its organisms occur singly, in pairs or irregular clumps, and sometimes in chains of varying lengths.,MSH: A genus of gram-negative, aerobic bacteria found in soil and water. Its organisms occur singly, in pairs or irregular clumps, and sometimes in chains of varying lengths. | lld:umls |