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a skin test to determine past or present infection with the tuberculosis bacterium; based on hypersensitivity of the skin to tuberculin

a skin test to determine past or present infection with the tuberculosis bacterium; based on hypersensitivity of the skin to tuberculin

The hypodermic injection of tuberculin, which has little or no effect with healthy cattle, but causes a marked rise in temperature in tuberculous animals.

The hypodermic injection of tuberculin, which has little or no effect with healthy cattle, but causes a marked rise in temperature in tuberculous animals.

One of several skin tests to determine past or present tuberculosis infection. A purified protein derivative of the tubercle bacilli, called tuberculin, is introduced into the skin by scratch, puncture, or interdermal injection.