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. 2021 Aug 14;26(8):086002. doi: 10.1117/1.JBO.26.8.086002

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© 2021 The Authors

Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Fig. 1 — OCT images of a fresh porcine bladder tissue sample under a stretched condition. (a) A normal OCT image, (b) corresponding H&E histological image ( $20 \times$ ), and (c) 100 OCT images captured at $20 frames / s$ . The arrow in (a) marked the interface of a thin water layer over the tissue surface. U, urothelium; LP, lamina propria (LP); MP, muscularis propria (scale bar: 0.1 mm) (Video 1, MP4, 2 MB [URL: https://doi.org/10.1117/1.JBO.26.8.086002.1]).