Table 1.
Airway thickness in the human lung
| Layer | Thickness (μm) |
|---|---|
| Surface lining liquid | 15 |
| Macrophage | NA |
| Epithelium | 50 |
| Interstitium | 3.5 |
| Immune cells | 1 |
| Smooth cells | 48 |
| Endothelium | 0.4 |
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