part of part of connected to connected to vessel drains blood from system venule pulmonary vein lung respiratory system venule lung blood vessel pulmonary venous system pulmonary capillary pulmonary venule 2023-10-24T11:26:27Z UBERON:8600024 A venule that is part of a lung and drains oxygenated blood from pulmonary capillaries. A pulmonary venule merges into a pulmonary vein branch that runs in the pulmonary interlobular septa.