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Radioology Vocab

TermDefinition
ALARA “as low as reasonably achievable”
ampere A unit of electric current
atom basic unit of matter
bremsstrahlung radiation “braking radiation”; the sudden deceleration of electrons as they interact with highly positively charged nuclei
cathode negative electrode in the x-ray tube
central ray x-rays at the center of the beam
contrast differences in degrees of blackness on an image
control panel portion of the x-ray unit that contains the master switch, the indicator light, the selector buttons, and the exposure button
density overall darkness or blackness of an image
dental radiography process of recording images of the teeth and adjacent structures by exposure to x-radiation
digital imaging filmless method of capturing an image and displaying it by using an image receptor, an electronic signal, and a computer to process and store the image
distortion change in the size of an image caused by incorrect vertical angulation
dose amount of energy absorbed by tissues
dosimeter device used to detect and measure an accumulated dosage of radiation
electron negatively charged particle in the atom
energy ability to do work
extension arm flexible arm that is attached to the x-ray tubehead
genetic effects effects of radiation that are passed on to future generations through genetic cells
image film-based or digitally produced recordings of anatomic structures
image receptor recording medium for an image, normally film, phosphor storage plate, or a digital sensor
intensity total energy of the x-ray beam
ion electrically charged particle
ionization process by which electrons are removed from atoms, causing the harmful effects of radiation in humans
ionizing radiation radiation that produces ionization, resulting in harmful effects
kVp highest voltage of x-ray tube used during an exposure
latent period time between exposure to ionizing radiation and appearance of symptoms
lead apron device used to protect the reproductive and blood-forming tissues from scatter radiation
magnification proportional enlargement of an image
Created by: Happypenguin00
 

 



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