part of ends during starts during death multi-tissue structure outflow tract ventricular outflow tract XAO:0004140 2011-08-26T10:17:59Z A portion of either the left ventricle or right ventricle of the heart through which blood passes in order to enter the great arteries. The right ventricular outflow tract (RVOT) is an infundibular extension of the ventricular cavity which connects to the pulmonary artery. The left ventricular outflow tract (LVOT), which connects to the aorta, is nearly indistinguishable from the rest of the ventricle. xenopus_anatomy UBERON:0005337 xenbase3 NF stage 41