Morphogenetic Implications of Peristalsis-Driven Fluid Flow in the Embryonic Lung
Fig 5
Viscometry of lumen fluid from prenatal mouse lungs.
Ratio of lung fluid viscosity to viscosity of water is 1.1 ± 0.3. Variability between individuals (N = 3) is greater than variability between beads (n = 11–29), locations in lung (m = 3–4), or frequency (0.5–2 Hz).