单词 | leprosy bacillus |
释义 | > as lemmasleprosy bacillus leprosy bacillus n. [after German Lepra-bacillus (see lepra bacillus n. at lepra n. Compounds 2)] the causative agent of leprosy, Mycobacterium leprae, which is an acid-fast rod-shaped bacterium which cannot be cultured in vitro but can be grown in a few animals, esp. the nine-banded armadillo, Dasypus novemcinctus (cf. lepromin n.); also called Hansen's bacillus. ΚΠ 1882 Med. Times & Gaz. 22 Apr. 412/1 Even the leprosy-bacillus will take on a certain colouring..which the bacillus of tubercle resists. 1953 R. W. Fairbrother Text-bk. Bacteriol. (ed. 7) xxiv. 302 The first member to be described was My. lepræ, or the leprosy bacillus, which was observed by Hansen (1874) in the epithelial cells of the characteristic nodules of leprosy, but it was not cultivated. 1971 Sci. News 28 Aug. 138 The armadillo would also provide a ready source of bacteria for study. Although the leprosy bacillus was discovered in 1873, no one has succeeded in culturing it. 2003 Science 25 Apr. 553/2 Toll-like receptors (TLRs) of the innate immune system are differentially activated in response to the leprosy bacillus. < as lemmas |
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