Tricuspid Atresia is related to interatrial communication and tricuspid valve stenosis. An important gene associated with Tricuspid Atresia is HEY2 (Hes Related Family BHLH Transcription Factor With YRPW Motif 2), and among its related pathways/superpathways are Nervous system development and NFAT and Cardiac Hypertrophy. The drugs Bosentan and Sodium citrate have been mentioned in the context of this disorder. Affiliated tissues include heart and liver, and related phenotypes are tricuspid atresia and ventricular septal defect