| Abbreviations | Meaning |
 | IL | Immature Lung |
 | PPA | Posterior Pulmonary Artery |
 | CAPRI | Cardiopulmonary Research Institute |
 | PBPV | Percutaneous Balloon Pulmonary Valvuloplasty |
 | HEL | Hen Egg White Lysozyme; Human Embryonic Lung; Human Erythroleukemia |
 | RLE | Rat Lung Epithelial Cells |
 | PVG | Periventricular Gray Matter; Pulmonary Valve Gradient |
 | PVP | Pulmonary Venous Pressure |
 | LCLC | Large-cell Lung Carcinoma |
 | PAP | Pulmonary Artery Pressure (normal Mean 9-19 MmHg) |
 | PPA | Pure Pulmonary Atresia |
 | HFDL | Human Fetal Diploid Lung |
 | MISHAP | Microcephalus-imperforate Anus-syndactyly-hamartoblastoma-abnormal Lung Lobulation-polydactyly [syndrome] |
 | PBMV | Pulmonary Blood Mixing Volume |
 | PEWV | Pulmonary Extravascular Water Volume |