| Namespace | MPheno.ontology | Obsolete | false |
| description | anomaly in the process in which the distal swelling of the primitive heart tube separates into an inferior end, which will form much of the right ventricle, and a superior end, which first form an outflow channel called the conotruncus; the conotruncus will in turn give rise to the more proximal conus cordis and the more distal truncus arteriosus |
