计算机X射线断层造影
CT n 1: a New England state; one of the original 13 colonies [syn: {Connecticut}, {Nutmeg State}, {Constitution State}] 2: a method of examining body organs by scanning them with X rays and using a computer to construct a series of cross-sectional scans along a single axis [syn: {computerized tomography}, {computed tomography}, {computerized axial tomography}, {computed axial tomography}, {CAT}]