Extended Data Fig. 4: Examples of duct lumen diameter and cilia-to-lumen ratio measurements.
A, Example analyses of carpet designs with low cilia-to-lumen ratio h/H and high cilia-to-lumen ratio h/H values (own data). B, Example analyses of flame designs with low h/H and high h/H values. The left TEM image was adapted from81 to highlight areas with sparse ciliation, under Creative Commons CC BY license. The right TEM image was adapted from41, with permission from John Wiley and Sons.
