Final answer:
The medical term for an x-ray study of the bladder is a cystogram, which is used to diagnose bladder issues and is a part of diagnostic imaging within radiology.
Step-by-step explanation:
The medical term for an x-ray study of the bladder is a cystogram. This imaging technique involves taking x-ray pictures of the bladder after a contrast dye is introduced into the bladder usually via a catheter. The cystogram can show the bladder's shape and size and can help diagnose issues such as bladder injuries, blockages, or stones. Diagnostic imaging techniques like cystograms are a part of the field of radiology, which also includes CT scans and other x-ray-based tests. These tools are used extensively in medicine for diagnosing various conditions.