. The principles and practice of modern surgery . on corpuscles), which after a time break up, andare disintegrated, together with the tissue which they infiltrate ; and onexamining the softened mass with the microscope, it is seen to consist ofa mass of granules, either diffused or amalgamated in masses, or con-tained in nucleated cells, and mixed with the debris of the softenedtissue. § * Pearson, Phil. Trans. ] 810. Mucus gives out more ammonia, when treated by limeor potass, tlian pus does. -f Mayo, Pathology, p. 159. ± The second Edition of this Work contained a tolerably copious account
. The principles and practice of modern surgery . on corpuscles), which after a time break up, andare disintegrated, together with the tissue which they infiltrate ; and onexamining the softened mass with the microscope, it is seen to consist ofa mass of granules, either diffused or amalgamated in masses, or con-tained in nucleated cells, and mixed with the debris of the softenedtissue. § * Pearson, Phil. Trans. ] 810. Mucus gives out more ammonia, when treated by limeor potass, tlian pus does. -f Mayo, Pathology, p. 159. ± The second Edition of this Work contained a tolerably copious account of the pre-vious theories of Home, Gendrin, &,c., on this subject; especially of Gendrins theorythat pus might be formed of softened and disintegrated fibrine, and that pus globulesare enlarged and decolorized blood globules. § See Microscopal Journal for Jan. 1843, and Bennett on Softening of the Brain, and Surg. Journ., Dec. 1842. Fig. 4 represents the granules mixed with brokennerve-tubes; from a case of softening of the 70 SUPPURATION. Suppuration in the Cellular Tissue.—The successive steps in the form-ation of pus in this tissue are as follow: First, there is an effusion ofserum ;—next, an effusion of fibrine, known by its faculty of coagulatingspontaneously; and this fibrine may be combined with more or lessblood ;—or pure blood may even be effused with it at the spots where theinflammation is most intense. These effusions increase; the tissues be-come distended and broken down, and at last pus appears in the thinreddish mixture of serum and lymph with which they were is at first dispersed in minute collections ; but these soon communicateby the solution of the intervening parts, and form a cavity termed anabscess. Meanwhile (in healthy inflaujmation) the lymph, which is effusedinto the parts around the pus, becomes organised and converted into acyst or sac,—which circumscribes the pus already formed, and may secretefresh quantit
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