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Fig. 8
Enlarged views of pvOCM images of developing zebrafish embryos, corresponding to yellow dashed box areas in (a–d) of Fig. 7. Red arrows highlight some parts of the vasculature that appear in fluorescent images but are absent in pvOCM images. The absence of phase variance signals is related to the pulsatile nature of blood flow. Blue arrows highlight veins that had no blood flow detected after vascular junctions that are denoted by yellow arrows. Scale bars: 50 μm.
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Full text @ J. Biomed. Opt.