Imaging & Radiology · Medical Imaging · Easy
Sievert
Meaning: Unit measuring the biological effect of ionising radiation on the human body.
In practice: A chest radiograph delivers about 0.02 millisieverts, roughly three days of natural background radiation.
Quick check
Two questions on related imaging & radiology words.
Which word means: Loss of bone or tissue substance visible as a cortical break or defect on imaging.
Answer: Erosion
Which word means: Disc displacement in which the bulge stays contained by intact outer annular fibres.
Answer: Protrusion
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