Pulmonary sequestration 2010-12-29T05:05:08Z Typically, the sequestered lung tissue receives all or most of its blood supply from an anomalous systemic artery, with the origin of this artery being variable. SNOMEDCT_US:18620009 HP:0010960 UMLS:C0006288 HP:0100632 Bronchopulmonary sequestration Cystic lung lesion UMLS:C4020703 The presence of a piece lung tissue which is not attached to the pulmonary blood supply and does not communicate with the other lung tissue (not connected to the standard bronchial airways and not performing a function in respiration). Abnormal lung development