tuberculin

American  

[too-bur-kyuh-lin, tyoo-] / tʊˈbɜr kyə lɪn, tyʊ- /

noun

Medicine/Medical.

1. a sterile liquid prepared from cultures of the tubercle bacillus, used in the diagnosis and, formerly, in the treatment of tuberculosis.

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tuberculin British  

/ tjʊˈbɜːkjʊlɪn /

noun

1. a sterile liquid prepared from cultures of attenuated tubercle bacillus and used in the diagnosis of tuberculosis

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Etymology

Origin of tuberculin

1890–95; < Latin tūbercul ( um ) tubercle + -in ²

Example Sentences

Ms Macdonald has questioned the validity of the tests and says that they are returning false positives because he had been "primed" before them by being injected with bovine tuberculin.

From BBC • Aug. 10, 2021

Macdonald said she believes the test results returned a false positive because Geronimo had been given a tuberculin vaccine before testing, which led to antibodies in his system.

From Washington Post • Aug. 9, 2021

MacDonald believes the tests results returned a false positive because Geronimo had been given the tuberculin vaccine before testing with led to antibodies in his system.

From Seattle Times • Aug. 9, 2021

The classical test for delayed hypersensitivity is the tuberculin test for tuberculosis, where bacterial proteins from M. tuberculosis are injected into the skin.

From Textbooks • Jun. 19, 2013

Koch was able to extract from tubercle bacilli, a substance which he has called tuberculin.

From The Pros and Cons of Vivisection by Richet, Charles