different between imaging vs tetrofosmin

English

imaging

imaging (usually uncountable, plural imagings)

The technique or practice of creating images of otherwise invisible aspects of an object, especially of body parts.
The use of mental images to alter a person's perceptions or behaviors.

(technique or practice of creating images of the invisible): magnetic resonance imaging, sonography, thermography, tomography

From tetr(aeth)o(xy) +? -fos- (“phosphorous derivative”).

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

tetrofosmin (plural tetrofosmins)

(pharmacology) Any of a group of chelate compounds, often having a radioisotopically labelled metal atom, used in cardiac imaging.

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