What does -metry refer to in medical terminology?

The suffix "-metry" in medical terminology refers to the measurement or process of measuring. It is derived from the Greek word "metron," which means measurement. In medical contexts, this suffix is commonly used in terms like "plethysmography," which involves measuring changes in volume within an organ or the whole body, or "audiometry," which refers to the measurement of hearing ability.

Understanding this suffix is crucial for interpreting medical terms that involve assessment and quantification of various physiological and pathological parameters. By recognizing "-metry" as related to measurement, healthcare professionals can better comprehend procedures that evaluate bodily functions, aiding in diagnosis and treatment planning.