The assembly that houses the x-ray tube , detectors, and additional data acquisition components of a CT system.
Measures brightness of each pixel in the entire image.
Radiation source inside the patient
Positive side of the tube. Conducts electricity, radiates heat, and contains the target. 2 types: Stationary and Rotating (used in CT).
The electronic components of a CT system responsible for measuring the transmitted x-radiation absorbed by the detectors.
Refers to the individual boxes arranged in the matrix per gantry rotation.
The reduction in intensity of a radiation beam as it passes through a substance.
Down
Negative side of the tube. Contains 2 parts: the filament and focusing cup.
Radiation source outside the patient.
Two-dimensional grid of numbers arranged in rows and columns.
The opening of the gantry
The unit of the CT number scale assigned to each pixel to quantify relative attenuation.
Refers to the volume of tissue presented by a pixel in the matrix used to display the CT image.
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