2.2.2 bulboventricular loop : Bulboventricular portionbends ventrally, caudally and slightly to the rightTruncusarteriosusBulbuscordisVentricleAtrium →Atriumdorsocranially andSinusvenosusbulgeslaterallyoneachsideofbulbusAorticarches→primitive left andTruncusarteriosusBulbuscordisright atriumVentricleAtriumSinusvenosusVentricle
2.2.2 bulboventricular loop : Bulboventricular portion bends ventrally, caudally and slightly to the right Atrium → dorsocranially and bulges laterally on each side of bulbus →primitive left and right atrium
TruncusarteriosusProximalpartofBulbuscordisbulbus → primitiveVentricleright ventricleAtriumSinus venosusventricle-primitiveleftventricleAorticarchesTruncusarteriosusBulbuscordisVentricleAtriumSinusvenosusVentricle
Proximal part of bulbus → primitive right ventricle ventricle →primitive left ventricle