| Type | MGI:General | Description | the number of alveoli (and associated capillaries called alveolar-capillary units) per millimeter squared is 40% greater in heterozygotes heterozygotes exposed to prolonged hypoxia exhibit impaired pulmonary vascular remodeling, with a smaller increase in pulmonary artery pressure, greater right ventricular hypertrophy, decrease in the number of alveolar-capillary units per millimeter squared, and decreased wall thickness (muscularization) of small pulmonary arteries compared to controls |
