Which term refers to pus in medical terminology?

The term that refers to pus in medical terminology is "Py/o." This root comes from the Greek word "pur," which means pus. It is commonly used in various medical terms, such as "pyogenic," which describes substances or organisms that produce pus, and "pyodermatitis," which refers to skin inflammation accompanied by pus formation.

The other terms listed do not pertain to pus. "Hist/o" relates to tissue, "Ventr/i" refers to the belly or abdomen, and "Cholescyst/o" is associated with the gallbladder. Understanding these roots can help in deciphering medical language and enhance comprehension of various medical conditions involving pus.