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Medical Term:

Rubner test

Pronunciation: rub'ner

Definition: an obsolete test for lactose or glucose in the urine; lead acetate is added to the suspected urine that is then filtered; ammonia is added until a permanent precipitate is formed; if lactose is present, the precipitate will take on a pink to red color when the fluid is heated; if there is glucose, the color will be yellow to brown.

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