What does -metry indicate in a medical context?

The suffix "-metry" in a medical context specifically refers to the process of measuring. This term is derived from the Greek word "metron," meaning measure. It is commonly used in various medical terms, such as "audiometry," which is the measurement of hearing ability, or "plethysmography," which measures changes in volume within an organ or the whole body.

Understanding that "-metry" indicates measurement is crucial in the medical field, as it helps describe specific diagnostic tests and methods that quantify physiological parameters, leading to better patient care and treatment decisions. Thus, recognizing this suffix allows for a clearer comprehension of the terms used in healthcare practices and reinforces its importance in medical terminology.