Imaging & Radiology · Radiology · Medium
Shadow
Meaning: A dark area on an X-ray indicating structures blocking the beam.
In practice: A mediastinal shadow that is widened may indicate aortic dissection.
Quick check
Two questions on related imaging & radiology words.
Which word means: An image produced by exposing a detector to X-rays passing through the body.
Answer: Radiograph
Which word means: Relating to the periosteum — the outer layer of bone — often seen reacting on X-ray.
Answer: Periosteal
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