Molecular scan
A molecular scan in 2371
A molecular scan in 2375
A molecular scan was a type of scan displaying matter and lifeforms on a molecule level.
In 2371, Harry Kim performed a molecular scan of the nucleogenic cloud being to identify its circulatory system. (VOY: "The Cloud")
In 2375, a molecular scan was used to display the silicon-based parasite. (VOY: "The Disease")