What is the definition or description of: radiology?

Radiology: Radiology is the term used to describe the study of all medical imaging including x-rays ct scan MRI ultrasound and nuclear imaging.

Image Interpretation: Radiologists are specialists whose expertise is in medical imaging (x-ray, ct, mri, ultrasound, nuclear medicine, etc). They have the most detailed understanding of how imaging is performed and what imaging is best for specific diseases or specific patients. The radiologist interprets the imaging studies to provide the diagnosis.