In medical terminology, unequal or asymmetrical urination, or a condition involving the production of urine of different compositions.
From Greek 'aniso-' (unequal) + 'ouron' (urine) + '-ia' (condition). This medical term developed in the 19th century to describe kidney or urinary irregularities.
Doctors use terms like anisuria to describe when kidneys aren't functioning equally—it's a diagnostic clue that something's wrong on one side, like a kidney infection or obstruction.
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