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Medical Definition of CT number
1. A normalised value of the calculated X-ray absorption coefficient of a pixel (picture element) in a computed tomogram, expressed in Hounsfield units, where the CT number of air is -1000 and that of water is zero. Synonym: Hounsfield number. (05 Mar 2000)
Lexicographical Neighbors of CT Number
| CTD CTE CTF CTL CTM CTN CTO CTP CTP-CMP-3-deoxynonulosonate cytidyltransferase CTP-RNA cytidylyltransferase | CTR CTS CTV CTVHCS CT number (current term) CT scan CT unit CT value CU CV | CV-1 SPase CVA CVBS CVC CVD CVI CVP CVR |
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