Optical properties of lymph flow in single microvessels: biomicroscopic, speckle-interferometric, and spectroscopic measurements

Ekateryna I. Galanzha; Valery V. Tuchin; Sergey S. Ulyanov; Anastasiya V. Solov'eva; Qingming Luo; Haiying Cheng

doi:10.1117/12.446679

24 October 2001 Optical properties of lymph flow in single microvessels: biomicroscopic, speckle-interferometric, and spectroscopic measurements

Ekateryna I. Galanzha, Valery V. Tuchin, Sergey S. Ulyanov, Anastasiya V. Solov'eva, Qingming Luo, Haiying Cheng

Author Affiliations +

Proceedings Volume 4434, Hybrid and Novel Imaging and New Optical Instrumentation for Biomedical Applications; (2001) https://doi.org/10.1117/12.446679
Event: European Conferences on Biomedical Optics, 2001, Munich, Germany

Abstract

The lymph flow diagnostics in microvessels of rat mesentery were performed using light biomicroscopy, speckle- interferometry and spectroscopy. By light microscopy method we have got the dynamic of microvessels images in real time and registered phasic contractions and valve function of lymphatics, lymph and blood flow. The mean velocity of lymph flow was the highest at the moderate number of lymphocytes in flow. We had found the close links between phasic contractions, valve activity and lymph flow intensity. The high-resolution speckle-microscopy quickly gives much information about average lymph flow velocity, but only the relative value of velocity can be estimated. The phasic contractions cause the changes of the speckle signals and led to the modification of lymph flow in microvessels. The reflectance spectra characterize functional state of lymphatics and lymph flow in microvessels.

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Ekateryna I. Galanzha, Valery V. Tuchin, Sergey S. Ulyanov, Anastasiya V. Solov'eva, Qingming Luo, and Haiying Cheng "Optical properties of lymph flow in single microvessels: biomicroscopic, speckle-interferometric, and spectroscopic measurements", Proc. SPIE 4434, Hybrid and Novel Imaging and New Optical Instrumentation for Biomedical Applications, (24 October 2001); https://doi.org/10.1117/12.446679

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