Practical pathology; a manual for students and practitioners . the connective ti?sue, and at the sametime an accumulation of fibrinous lymph between the swollen fibres, inthe lymphatic vessels and lymph spaces. This affection of the deepertissues is here extremely well marked, and in this respect the mucouspatch differs from the aphthous patch. ( X 300).—Confirm the above appearances. Stain (.^ 158). ( x 1000).—Confirm the above and examine forspirochaites (.^^ 243 and 493). Diphtheria of the Pharynx or Larvnx 358. In diphtheria there is exudation of a false membrane on to themucous membrane o
Practical pathology; a manual for students and practitioners . the connective ti?sue, and at the sametime an accumulation of fibrinous lymph between the swollen fibres, inthe lymphatic vessels and lymph spaces. This affection of the deepertissues is here extremely well marked, and in this respect the mucouspatch differs from the aphthous patch. ( X 300).—Confirm the above appearances. Stain (.^ 158). ( x 1000).—Confirm the above and examine forspirochaites (.^^ 243 and 493). Diphtheria of the Pharynx or Larvnx 358. In diphtheria there is exudation of a false membrane on to themucous membrane of the upper part of the Inrynx, pharynx, palatalarches, tonsils, and especially on the posterior surface of the soft palateor uvula. The last named is one of the best positions in which toexamine the changes induced. The appearances vary according to thedate of the disease at which the patient succumbs. If there are simply DirHTHERFA—^ FALSE MEMBRANE 545 swollen greyish patches scattered over a dull red background, the ^^^ .**^jfc. ^ h. #-f m -m m ,/.. Fig. 174.—Fibrinous lymph, so-called false membrane, on the surfaceof the larynx. Stained by Grams method, (x 50.)a. Surface of fibrin on which are a number of diphtheria bacilli and other micro-organisms, especially ;. Groups (pure culture) of diphtheria bacilli, below the surface. c. Open network of coagulateil fibrin in which are a few leucocytes. d. Denser network of fibrin pushing its way into the superficial lymphatics. The remains of epithelial cells may l)e made necrosis. e. Layer of leucocytes and proliferating cells. f. Dilated blood vessel filled with red blood ;??. Groups of leucocytes and proliferating cells. //. (llandular structure of Irachea. epithelium is usually still present, though very much altered ; if a definite 546 THE ALIMENTARY CANAL washleather-like membrane is present, the whole arrangement of tissuesis altered. If this membrane be detached from the la
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