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Article
February 5, 1898

THE ANOMALOUS, BRANCHING AND ACTINOMYCOTIC FORMS OF THE BACILLUS OF TUBERCULOSIS.

JAMA. 1898;XXX(6):325-327. doi:10.1001/jama.1898.02440580041003
Abstract

In the two first editions of "Les Bactéries," 1883 and 1886, by Cornil and Babes, branching forms of the tubercle bacillus are described and figured. These bacilli were derived from old cultures.

In 1888 Nocard and Roux,1 and Metschnikoff,2 each described in the cultures of avian turberculosis kept at high temperature the formation of capsules and curious rarefied and swollen forms. Metschnikoff has also seen that the tubercle bacillus situated in the interior of giant cells can surround themselves with thick capsules, and Babes has described various forms of granules, metachromatic corpuscles, vacuoles, clubs and branching organisms, and their relation to the bacillus of tuberculosis.

Fischel3 and Coppen Jones4 maintain that the bacillus of tuberculosis is not a bacterium but a fungus of a higher type, because it may present ramifying threads, clubs and metachromatic corpuscles. They are inclined to urge that it could be placed

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