Synonym for atrioventricular septum ... The small part of the membranous septum of the heart just above the septal cusp of the tricuspid valve that separates the right atrium from the left ventricle. ... Synonym: septum atrioventriculare, pars membranacea septi atriorum. ... (05 Mar 2000) ... 
Type: Term Synonyms: atrioventricular septum