Tubercle

['tjuːbək(ə)l] or ['tubəkl]

Definition

(noun.) a swelling that is the characteristic lesion of tuberculosis.

Typed by Joan--From WordNet

Definition

(n.) A small knoblike prominence or excrescence, whether natural or morbid; as, a tubercle on a plant; a tubercle on a bone; the tubercles appearing on the body in leprosy.

(n.) A small mass or aggregation of morbid matter; especially, the deposit which accompanies scrofula or phthisis. This is composed of a hard, grayish, or yellowish, translucent or opaque matter, which gradually softens, and excites suppuration in its vicinity. It is most frequently found in the lungs, causing consumption.

Typist: Malcolm

Definition

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 infectiveness have been classed 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 tissues 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.

Checked by Jennie