Lead appears white in an x-ray image. Its density prevents the x-ray beam from reaching the x-ray film leaving that part of the film unexposed (white).
Layers of lead sheet
lead
Aluminium
xray
The periodontal ligament can be seen as a fine white line around the root of the tooth on an dental xray.
Reflection?
The Government
orientation
orientation
A fire in the factory
ghosted
A caption, Also known as a cute line, is text that appears below an image.