Medical term:
spinthariscope
counter
[kown´ter]an instrument or apparatus by which numerical value is computed; in radiology, a device for enumerating ionizing events.
Coulter counter an automated instrument for performing blood counts, based on the principle that cells are poor electrical conductors compared with saline solution.
Geiger counter (Geiger-Müller counter) a radiation counter using a gas-filled tube that indicates the presence of ionizing particles. It is very sensitive to β particles but relatively insensitive to γ and x-rays.
scintillation counter a device for detecting ionization events, permitting determination of the concentration of radioisotopes in the body or other substance.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
scin·til·la·tion count·er
an instrument used for the detection of radioactivity; the radiation is absorbed by a scintillator (a crystal or a compound, such as POPOP, in solution) that results in minute flashes of light that are detected by a photocathode. The resultant electron emission is amplified by a photomultiplier and an amplifier.
Synonym(s): scintillometer, spinthariscope
Farlex Partner Medical Dictionary © Farlex 2012
scintillation counter
n.
A device for detecting and counting scintillations produced by ionizing radiation.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
scin·til·la·tion count·er
(sin'ti-lā'shŭn kown'tĕr)An instrument used for the detection and measurement of radioactivity.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
scin·til·la·tion count·er
(sin'ti-lā'shŭn kown'tĕr)An instrument used for the detection and measurement of radioactivity.
Medical Dictionary for the Dental Professions © Farlex 2012
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