1. a sterile liquid containing proteins derived from cultures of tuberculosis bacteria, used in skin tests to detect tuberculosis infection
Usage: medical

Examples

• The doctor administered a tuberculin test to check for TB exposure.
• Tuberculin is injected under the skin during the screening process.
• A positive tuberculin test indicates previous exposure to tuberculosis bacteria.
• The tuberculin skin test is also known as the PPD test.
• Healthcare workers are regularly tested with tuberculin to monitor for TB infection.
• The tuberculin reaction is measured 48 to 72 hours after injection.