old tuberculin

noun

Medical Definition of old tuberculin

: tuberculin prepared by boiling, filtering, and concentrating a broth culture of tubercle bacilli and originally introduced as a proposed curative agent for tuberculosis but now used in skin tests to detect tubercular infection

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Dictionary Entries Near old tuberculin

old-man's beard

old tuberculin

olea

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Cite this Entry

“Old tuberculin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/old%20tuberculin. Accessed 25 Jun. 2022.

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