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tuberculin

Pronunciation: tu-ber'kyu-lin

Definition:

  1. A glycerin-broth culture of Mycobacterium tuberculosis evaporated to 110 volume at 100°C and filtered; introduced by Robert Koch for the treatment of tuberculosis but now used chiefly for diagnostic tests; originally known as Koch old tuberculin (OT) or Koch original tuberculin
  2. One or another of a relatively large number of extracts of Mycobacterium tuberculosis cultures, different from OT and now obsolete.
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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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