What is the medical root word that refers to the bladder?

The medical root word that refers to the bladder is "cysto." This term originates from the Greek word "kystis," which means "bladder." In medical terminology, "cysto" is commonly found in various terms related to the bladder or cysts, such as cystitis (inflammation of the bladder) and cystoscopy (a procedure to look inside the bladder).

The other root words provided refer to different organs or systems: "nephro" pertains to the kidneys, "hepato" relates to the liver, and "thoraco" refers to the thorax or chest area. Understanding these root words is crucial in the medical field, as they form the basis of many terms, allowing professionals to communicate complex concepts succinctly.