Tubercle

tū′bėr-kl, n. a small tuber or swelling: a pimple: a small knob on leaves: the characteristic product of a specific micro-organism, the Bacillus tuberculosis —a new formation belonging to the group of Granulomata or granulative growths, which, in virtue of their recognised infectivene , have been cla ed as Infective Granulomata.— adjs. Tū′bercled , having tubercles; Tuber′cular ; Tuber′culate , -d , Tuber′culose , Tuber′culous , pertaining to tubercles: pimpled: affected with, or caused by, tubercles.— ns. Tuber′culin , -e , a liquid prepared by Koch in 1890, a forty to fifty per cent. glycerine solution of a pure cultivation of the tubercle bacillus, injected into the subcutaneous ti ues of persons affected with tuberculosis; Tuberculisā′tion .— v.t. Tuber′culise .— adjs. Tuber′culoid ; Tuber′culōsed .— ns. Tuberculō′sis , a specific infective disease induced by the invasion of the Bacillus tuberculosis , and characterised by the presence of tubercle or other tubercular formations—consumption or phthisis; Tuber′culum , a tubercle. [L. tuberculum , dim. of tuber .]