What body part does the root "Cyst" refer to?

The root "Cyst" is derived from the Greek word "kystis," meaning bladder or sac. In medical terminology, it specifically refers to a fluid-filled sac or bladder-like structure. This root is commonly associated with conditions involving the urinary bladder, such as cystitis (inflammation of the bladder) or cystoscopy (a procedure to examine the bladder). Understanding the meaning of "cyst" as it relates to the bladder helps in interpreting various medical terms and conditions associated with this region, making it essential knowledge for those in the medical field, especially combat medics who may encounter such conditions in their practice.