cassette

(kă-set′ )

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[Fr., cassette, a little box]

1. A flat, lightproof box with an intensifying screen, for holding x-ray film. Digital radiography photostimulable phosphor (PSP) systems use cassettes to provide lightproof holders for the PSP screens while they are exposed and carried to a processing unit.
2. A case used for film or magnetic tape.

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