title: Elimination of the acid fastness but not the gram positivity of leprosy bacilli after extraction with pyridine.
abstract: Bacilli from a number of tissues excised from cases of lepromatous and borderline leprosy, unlike mycobacteria, were found to lose their acid-fastness after treatment with pyridine.
mesh_terms: D001706:Biopsy; D000431:Ethanol; D006801:Humans; D006851:Hydrochloric Acid; D007918:Leprosy / Q000382:microbiology; D008722:Methods; D009166:Mycobacterium leprae / Q000145:classification / Q000166:cytology* / Q000302:isolation & purification; D011743:Pyrimidines; D012394:Rosaniline Dyes; D012997:Solvents; D013194:Staining and Labeling
chemical_list: D011743:Pyrimidines; D012394:Rosaniline Dyes; D012997:Solvents; D000431:Ethanol; D006851:Hydrochloric Acid