[A genus of gram-negative, anaerobic cocci parasitic in the mouth and in the intestinal and respiratory tracts of man and other animals. ( MSH )] (UMLS (CSP) C0042446) =Bacterium
[vessel carrying blood towards the heart. ( CSP )] (UMLS (CSP) C0042449) =Body Part, Organ, or Organ Component =blood vessel; Body Part =jugular vein; Hepatic Portal Vein; pulmonary vein
[obstruction or closure decreasing the capacity of a vein to supply sufficient blood flow. ( CSP )] (UMLS (CSP) C0241669) =Pathologic Function =blood vessel occlusion;