adjacent to adjacent to adjacent_to heart right ventricle heart left ventricle interventricular septum http://upload.wikimedia.org/wikipedia/commons/9/96/Gray498.png heart interventricular septum involves the recruitment of myocardial cells as well as of non- muscular mesenchymal cells (Kaufman and Bard, 1999) septum membranaceum OpenCyc:Mx4rwA7lp5wpEbGdrcN5Y29ycA interventricular septum of heart The two most progressive vertebrate classes, the birds and mammals, have completed the ventricular septum and at long last have completely separated the two blood streams along the length of the major heart chambers. This development has obviously been brought about independently in the two cases, since mammals and birds have evolved independently from primitive reptiles.[well established][VHOG] Wikipedia:Interventricular_septum SCTID:362019005 EFO:0001956 galen:InterventricularSeptum ventricular septum NCIT:C32874 s. interventriculare cordis septum inferius uberon ventricle septum heart ventricular septum UBERON:0002094 UMLS:C0225870 EMAPA:17333 BTO:0002483 Cardiac septum which separates the right ventricle from the left ventricle.[FMA]. FMA:7133 interventriculare cordis VHOG:0000386 intraventricular septum MA:0000085 The partition separating the right and left ventricles of the heart. [TFD][VHOG] EHDAA:2603 cardiac septum