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. 2021 May 6;17(5):e1008861. doi: 10.1371/journal.pcbi.1008861

Fig 6. Effect of HPV and uniform vasoconstriction on Network A regional perfusion, V/Q matching, and oxygen flux.

Fig 6

(A-C) Leftmost column of networks are without regulation from HPV, middle column of networks are with regulation from HPV, and the rightmost column of networks are with uniform vasoconstriction, where T* = 0.8 is used for the global vascular tone. The black scale bar is 1000 μm. (A) Perfusion in the capillary compartments; (B) Ventilation-perfusion (V/Q) ratios in the capillary compartments; (C) Oxygen flux in the capillary compartments. (D-G) Blood flow, RBC transit times, V/Q ratios, and oxygen flux expressed as probability densities—calculated with a kernel density estimator. (D) Distribution of flow; (E) RBC transit times normalized to mean transit time; (F) Distribution of V/Q ratios; (G) Distribution of oxygen flux.