Manual of pathology : including bacteriology, the technic of postmortems, and methods of pathologic research . n by rapid sedi-mentation in a centrifuge. The sputum contains extraneous pigments in the pneumonoconiosesand altered blood-pigments in chronic i)ulmonary congestion. 948 GENERAL LABORATORY TECHNIC. Cursclinumns spirals are found in sputum of asthmatic patients,and appear as thick white bodies having a twisted tubular form. Whenexamined with a low power, they show a central, highly refracting,twisting thread, around which is a meshwork of delicate fibers. Theyrequire no stain. Fibrino
Manual of pathology : including bacteriology, the technic of postmortems, and methods of pathologic research . n by rapid sedi-mentation in a centrifuge. The sputum contains extraneous pigments in the pneumonoconiosesand altered blood-pigments in chronic i)ulmonary congestion. 948 GENERAL LABORATORY TECHNIC. Cursclinumns spirals are found in sputum of asthmatic patients,and appear as thick white bodies having a twisted tubular form. Whenexamined with a low power, they show a central, highly refracting,twisting thread, around which is a meshwork of delicate fibers. Theyrequire no stain. Fibrinous casts are tree-like casts of the terminal bronchial tubes,found in bronchitis and pneumonia, and composed of fibrin or mucincontaining entangled cellular elements. (See Fibrinous Inflammationsof Mucous Membranes.) Charcot-Leyden Crystals.—These crystals are colorless, have a pointedoctahedral form, and are found chiefly in the semi-solid, grayish-yellowpellets discharged during an asthmatic attack. The diagnosis of pulmonary cancer from neoplastic fragments foundin the sputum has been made by Fig. 495.—Charcot-Levdex Crystals.—(Laiidois.) Tubercle Bacillus.—(For technic of examination see article onBacteriology.) Bacillus of leprosy occasionally occurs in sputum. (For technic ofexamination see article on Bacteriology.) Pnemnobacillus (Friedlander), Pneumococcus (Frkrikel), Actinomyces,Bacillus anthracis, staphylococci, streptococci, Bacillus influenzce. Bacillusmallei. Bacillus pestis, Bacillus typhosus, etc.^—(For technic of demon-stration see article on Bacteriology.) Fragments of echiuococcus cysts, the scolices or hooklcts of the para-site, the eggs of the Distoma pulmonale, rarely the parasite, are occasion-ally found in sputum. The Amoeba histolytica and possibly otheramebae are occasionally encountered; Schmidt has observed non-pathogenic flagellates (trichomonads) in the sputum. * For an exhaustive review of the bacterial flora of the sptitum see K
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