Abdominal situs ambiguus abdominal situs ambiguus abdominal heterotaxy MPheno.ontology MP:0011250 Fyler:3817 2011-09-09T11:26:30Z an abnormality in which the abdominal organs are positioned in such a way with respect to each other and the left-right axis as to be not clearly lateralised and thus have neither the usual, or normal (situs solitus), nor the mirror-imaged (situs inversus) arrangements abdominal situs ambiguous csmith abdominal situs abnormality abdominal situs ambiguus