The absence or near-absence of urine production, typically defined as less than 100 mL of urine per day. It represents a medical emergency indicating severe kidney failure or complete urinary tract obstruction.
From Greek 'an-' meaning 'without' and 'ouron' meaning 'urine,' literally meaning 'without urine.' The term describes the complete cessation of the kidney's filtering function.
Anuria means your kidneys have essentially shut down—it's like your body's waste treatment plant has gone completely offline! This is a life-threatening emergency because without urine production, toxic waste products build up rapidly in the blood, potentially causing death within days.
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