What does the prefix 'cysto-' refer to in medical terminology?

The prefix 'cysto-' refers specifically to the urinary bladder in medical terminology. This term is derived from the Greek word "kystis," which means bladder or sac. In medical contexts, 'cysto-' is often used in words such as cystoscopy (the examination of the bladder using a scope) or cystitis (inflammation of the bladder). This usage underscores the connection to bladder-related medical conditions and procedures. Understanding this prefix helps in grasping various terms related to urology and bladder health, which is essential for medical communication and practice.