Revue médicale de Chicago et examinateur . le réticulum de la partie centrale du tubercule. Le réticulum de la cellule géante. Fig. 1. 6, forme un filet-travail avec de grands maillages ronds ou irréguliers. Beaucoup des maillages sont vides, c'est-à-dire ne contiennent pas de cellules, mais sont remplis de fluide transparent. Dans quelques-uns des maillages se trouvent de grandes cellules épithéliales avec un protoplasmique clairement visible et un noyau rond ou ovale bien défini. Un grand nombre de maillages- 1880.] Lee-Fenger, sélectionnez sujets de chirurgie Moderne. 469 contiennent deux, trois ou plusieurs petites cellules ou noyaux lymphoïdes, dont le manyde est élevé

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Chicago medical journal and examiner . the reticulum of the central portion of the tubercle. The giant cell reticulum. Fig. 1. 6, forms a net-work withlarge round or irregular meshes. Many of the meshes areempty, i. e., do not contain any cells, but are filled up with clearserous fluid. In a few of the meshes are found large epithelialcells with a plainly visible protoplasmic surrounding, and a welldefined round or oval nucleus. A large number of the meshes- 1880.] Lee-Fenger, Select Topics of Modern Surgery. 469 contain two, three or more small lymphoid cells or nuclei, manyof which are highly refracting. Outside of this giant cell reticulum we find the peripheral partof the tubercle consisting of the (o) lymphoid reticulum or smallcelled tissue of adenoid-like structure. The meshes of thisreticulum are narrow, long, oval, or spindle-shaped spaces, theirlong diameter being perpendicular to the radius from the centerof the tumor. They are filled entirely with innumerable small, round more or less refracting cells or nuclei.. Fig. 2.—Young adenoid tissue surrounding the miliary tubercles—fromcase of excision of knee-joint: a, Tissue with large round meshes; b, Tissuewith oval, narrow meshes; c, Transverse section of a small vein tilled withblood corpuscles; cl, Longitudinal cut of a small vein at filled with blood, at / empty, showing the nuclei of the endothelial cells; g, The outerwall of the vessel forming the reticulum of the interstitial net-work (framework.) The surrounding tissue, of recent growth in which the tuber-cles are imbedded, has, in its young state, invariably all thecharacteristics of the so-called adenoid or lymphoid structure, (as is shown in Fig. 2.) It derives its name from its similarityin structure to the lymph-glands, or the tonsils, or the adenoidtissue as we find it along the whole of the intestinal tract, or theadenoid vegtations from the naso-pharyngeal cavity. It consistsof a fine connective tissue net-work with round or oval meshes, fil

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