Bronchi | Tracheal smooth muscle mm | ||
Smooth muscle mm | Cartilage mm | ||
Neonates | |||
Control | 0.08±0.002 | 0.22±0.02 | 18.3±5.8 |
Corseted | 0.08±0.003 | 0.24±0.02 | 17.5±5.2 |
Adolescents | |||
Control | 0.09±0.005 | 0.22±0.11 | 41.7±19.3 |
Corseted | 0.07±0.004 | 0.20±0.005 | 52.3±8.6 |
Adults | |||
Control | 0.07±0.003 | 0.21±0.007 | 52.5±15.8 |
Corseted | 0.08±0.008 | 0.23±0.03 | 72.2±16.5 |
Data are presented as mean±sem (n=6 for all except neonatal control group (n=5))
The square root of each wall area was taken and divided by the length of the internal perimeter to enable comparisons between airways 22