《英文msh词典》Optical Tomography
[入口词] Optical Tomography
[主题词] Tomography,Optical
[英文释义] Projection of near-IR light (INFRARED RAYS),in the 700-1000 nm region,across an object in parallel beams to an array of sensitive photodetectors. This is repeated at various angles and a mathematical reconstruction provides three dimensional MEDICAL IMAGING of tissues. Based on the relative transparency of tissues to this spectra,it has been used to monitor local oxygenation,brain and joints.