Encephalogram and Roentgen rays

Encephalogram noun - A graphical record of electrical activity of the brain; produced by an electroencephalograph.

Roentgen rays and encephalogram are semantically related in picture of inside a body topic. In some cases you can use "Roentgen rays" instead a noun "Encephalogram".

Encephalogram and Roentgen rays are semantically related in picture of inside a body topic. You can use "Encephalogram" instead a noun phrase "Roentgen rays".