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Summary of the heterogeneous pulmonary acinar models investigated in simulations, including size and relevant morphological properties.
| 1/4 sub-acinus | 1/2 sub-acinus | Sub-acinus | |
|---|---|---|---|
| No. of models | 1 | 1 | 5 |
| No. of cavities | 512 | 1184 | 2631 ± 13 |
| No. of alveoli | 372 | 866 | 1923 ± 16 |
| Max. generation | 8 | 10 | 14 ± 1 |
| Mean generation | 4.38 | 5.70 | 7.28 ± 0.29 |
| Path length in cm | 0.102 ± 0.032 | 0.142 ± 0.044 | 0.170 ± 0.052 |
| Volume in 10−3cm3 | 0.93 | 2.13 | 4.55 ± 0.01 |
| Surface/volume in cm−1 | 327.8 | 329.2 | 332.6 ± 0.7 |
