《英文msh詞典》Tomography,Optical
[主題詞] Tomography,Optical
[入口詞] Optical Tomography
[英文釋義] 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.