- radiology - the branch of medical science dealing with the medical use of X-rays or other penetrating radiation
--1 is a kind of medical science
- radioscopy, radiology - (radiology) examination of the inner structure of opaque objects using X rays or other penetrating radiation
--2 is a kind of imaging, tomography
--2 has particulars: fluoroscopy - radioscopy, radiology - (radiology) examination of the inner structure of opaque objects using X rays or other penetrating radiation