Growth abnormality Heterotaxy 2016-05-17T08:04:42Z In the normal body, the internal organs are arranged in different patterns on the right and left sides, and are not mirror images of each other. Hence, if asymmetry of the thoracic and abdominal organs is the usual or normal situation, the syndrome of visceral heterotaxy includes patients with an unusual degree of symmetry of some of the thoracic and abdominal organs, and the atrial appendages within the heart. Fyler:0190 UMLS:C0266642 Fyler:190 Heterotaxia An abnormality in which the internal thoraco-abdominal organs demonstrate abnormal arrangement across the left-right axis of the body. SNOMEDCT_US:24614000 SNOMEDCT_US:14821001