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Motile cilia lining the lumen of the Fallopian tube (oviduct) are known to play an essential role in reproduction; however, how their specific roles are not understood. Here, we present a novel dynamic OCT method for imaging of waves propagating along the epithelial surfaces created by the beating cilia (metachronal waves). The method is based on spatiotemporal mapping of the phase of ciliary beat calculated based on intensity fluctuations in OCT images. This method was applied in vivo to visualize and quantify cilia metachronal waves within the mouse fallopian tube in vivo, volumetrically, through the tissue layers.
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Tian Xia, Shang Wang, Irina V. Larina, "Dynamic OCT for in vivo cilia metachronal wave analysis in the mouse fallopian tube," Proc. SPIE PC12841, Dynamics and Fluctuations in Biomedical Photonics XXI, PC1284102 (13 March 2024); https://doi.org/10.1117/12.3006504