Figure 2 | Scientific Reports

Figure 2

From: Measurement of optical reflection and temperature changes after blood occlusion using a wearable device

Figure 2

Provocation of compromised circulation on the rat’s groin flap model. The photographs show the colour of the flap before venous ligation (A); 5 min after venous ligation (B); during reperfusion (C); before arterial ligation (D); 5 min after arterial ligation (E); and during reperfusion (F). The flap colour in (B) is dark purple, whereas that in (E) is pale. The flap colour returned to normal for both models in (C) and (F).

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