Medical Definition of Schilling test
: a test for gastrointestinal absorption of vitamin B12 in which a dose of the radioactive vitamin is taken orally, a dose of the nonradioactive vitamin is given by injection to impede uptake of the absorbed radioactive dose by the liver, and the proportion of the radioactive dose absorbed is determined by measuring the radioactivity of the urine
Biographical Note for schilling test
Robert Frederick (1919–2014), American hematologist. Schilling undertook research on the absorption and utilization of vitamin B12, the mechanisms involved in the causation of anemia, and on the gastrointestinal absorption of nutrients. He introduced the Schilling test in 1953.
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