What term describes the excretion of abnormally large amounts of urine?

The term that describes the excretion of abnormally large amounts of urine is polyuria. This condition is characterized by an increase in urine output, which can be caused by various factors including diabetes mellitus, diabetes insipidus, certain medications, and excessive fluid intake. Understanding polyuria is crucial because it can be a significant indicator of underlying health issues, prompting further investigation into a patient's blood glucose levels or kidney function. Recognizing this term helps in diagnosing and managing conditions that lead to increased urine production, thereby providing a clearer picture of a patient’s health status.