| HA | H antigen; Hakim-Adams [syndrome]; halothane anesthesia; Hartley [guinea pig]; headache; health alli... |
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| HU | heat unit; hemagglutinating unit; hemolytic unit; Hounsfield unit; human urine, human urinary; hydro... |
| HU | Hounsfield Unit |
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| Hounsfield number | 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) |
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| Hounsfield unit | A normalised index of X-ray attenuation based on a scale of -1000 (air) to +1000 (bone), with water being 0; used in CT imaging. (05 Mar 2000) |
| Hounsfield, Godfrey | <person> British electronics engineer, *1919. Developed first practical computed tomography device, the EMI scanner; received the Nobel prise in Medicine in 1979 jointly with physicist A. M. Cormack. See: Hounsfield unit, Hounsfield number. (05 Mar 2000) |
| Hounsfield u. |
a unit of x-ray attenuation used for CT scans, each pixel being assigned a value on a scale on which air is -1000, water is 0, and compact bone is +1000. Symbol H.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Hounsfield unit |
see under unit.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Hounsfield |
(CT) Sir Godfrey Newbold Hounsfield (1919-) was a British engineer who invented the CAT scanner in 1972. He was awarded the Nobel Prize for Medicine or Physiology (jointly with Allan Cormack) in 1979 for his work in the field.
Ãâó: cal.man.ac.uk/student_projects/2000/mmmr7gjw/gloss...
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