- upgrading reaction
- reversal r.
Medical dictionary. 2011.
upgrading reaction
Look at other dictionaries:
lepra reaction — n one of the acute episodes of chills and fever, malaise, and skin eruption occurring in the chronic course of leprosy * * * an aggravation of lumps on the skin caused by leprosy, accompanied by fever and malaise. * * * an acute or subacute… … Medical dictionary
downgrading reaction — a type 1 lepra reaction, similar in appearance to the reversal reaction (upgrading reaction), but representing a deterioration in the immune response to Mycobacterium leprae, worsening of clinical symptoms, and an increased index of M. leprae in… … Medical dictionary
Coal upgrading technology — refers to a class of technologies developed to remove moisture and certain pollutants from low rank coals such as sub Bituminous coal and lignite (brown coal) and raise their calorific values. Companies located in Australia, Germany and the… … Wikipedia
reversal reaction — a type 1 lepra reaction usually occurring during chemotherapy in borderline leprosy. It is a type of delayed hypersensitivity reaction with “upgrading†of cell mediated immunity to Mycobacterium leprae; this process tends to move the disease… … Medical dictionary
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