tuberculoprotein

Any one, or a mixture of any or all of the proteins present in the body of the tubercle bacillus, all of which have been found to possess certain properties of tuberculin.

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tu·ber·cu·lo·pro·tein t(y)u̇-.bər-kyə-lō-'prō-.tēn, -'prōt-ē-ən n protein occurring in or obtained from the tubercle bacillus