Practical pathology; a manual for students and practitioners . ¢ â /â¢â â¢â¢-?â¢â¢â .â â â¢. >:⢠â¢, ⢠... Fig. 159.âSection of a small pyemic abscess of the lung. Stainedby Grams method, counterstained with alum hii^matein and vanGiesons stain. (X50.) a. Centre of an abscess in which the tissues are necrosed Masses of micrococci, some of them contained in blood vessels (embolic)./.(â . Zone of polymor]iho-niiclear and other cells. (.So-calledpyogenic area.) Collapsed air vesicles, some containing coagulated fibrin,others catarrhal cells and Congested
Practical pathology; a manual for students and practitioners . ¢ â /â¢â â¢â¢-?â¢â¢â .â â â¢. >:⢠â¢, ⢠... Fig. 159.âSection of a small pyemic abscess of the lung. Stainedby Grams method, counterstained with alum hii^matein and vanGiesons stain. (X50.) a. Centre of an abscess in which the tissues are necrosed Masses of micrococci, some of them contained in blood vessels (embolic)./.(â . Zone of polymor]iho-niiclear and other cells. (.So-calledpyogenic area.) Collapsed air vesicles, some containing coagulated fibrin,others catarrhal cells and Congested blood Air vesicles, not so small and containing large numbers ofcatarrhal or proliferating ciiithclial cells. are distended and congested, the air space is Iairly well defined, andcontains a large number of catarrhal cells and a few leucocytes, butlittle fibrin. 512 THE LUNG (x 300).âThe pus cells at the margin of the abscess are seen to ./â Ill I I â â¢â¢-. A? » ⢠<⢠7 W lA « *A*^* ^«* ,*^â ^^-. ^k «& \ « ^ \^ 9m ^v.» « «» â¬Â» ir iff I a Jrb. rri t /ih P . Fu;. 160.âSection of small pyemic abscess of the lung. Stainedby Grams method, counterstained with alum hi^matein and vanGiesons stain. (X300.) inic. Micrococci in the wall of an abscess. Polymorpho-nuclear leucocytes, many with pyknotic changesin the nucleus,w. Mononuclear cell the same cell (?) asca/. The proliferating cells in a small Fibrin and polymdrpho-nuclear cell in Large cell tlerived from the epithelial lining of an Congested vessels with well-marked endothelial lining in theinteralveolar Red blood corpuscles that have escaped, along with plasma andleucocytes, into an alveolus. be made up of polymorpho-nuclear leucocytes of which the nuclei are PYEMIC ABSCESS TUMOURS 53 undergoing disintegration (pyknosis), of a few large mononuclear cellsderived
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