Tuberculin treatment / by Clive Riviere and Egbert Morland.

Date:
1912
Catalogue details

Licence: In copyright

Credit: Tuberculin treatment / by Clive Riviere and Egbert Morland. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    G Tu.bercu.Lin injected. 2 present in diaease Jocaa. (Tb:TUbercLe baeiilus produeta) Senaitivenesa (LY.Lyain) by wkicti as u/itli akey the tabereuli/i is unlocked KEY TO THE SYMBOLS The developed toxic ^ action ofOie tuberculin.^ (T’‘ Toxin) I. Unuijected. Tolerance neutralising ' the action of the tuberculin ( A‘Antitoxin) Secondary Focal Reaction. The action of the tuberculin injected ia developed by the sensitivenesa preaent 6produces local, general &• Jocal reactions. The tuberculin aet free by Che joeal reaction, produces in its turn secondary general s-foeaL ’ reactions. Secondary General Reaction. W-InjeeUd (ToUraLe] Gen era I Reaction The action of the tuberculin injected is developed as in // by the sensitiveness present, but is neutralised by tolerance and neither local, general nor focal reactions are produced. No Reaction. Infected with tolerance. Local Reaction. Chart I.—Diagrams illustrating the various effects of a tuber- culin injection on the non-tubercular, and the tubercular without and with tolerance.