I metodi diagnostici, chimici e batteriologici microscopiche, un libro di testo per studenti e professionisti . hkarin, Russk. Vrach. 1915, XIV, 505. 35° I METODI DIAGNOSTICI. essi sono derivati. Come epitelio stratificato è trovata nella pelvi renale,gli ureteri, vescica e l'uretra, è prevedibile che i grandi cellule piatte,cellule cuboidali, o cellule colonnari verranno visualizzati a seconda dello strato fromwhich la cella è derivato. Come l'epitelio semplice esiste nel uriniferoustubules, la ghiandola della prostata, vescicole seminali e eiaculatorio condotti l'identif-nition di tali cellule si limitano il loro

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Diagnostic methods, chemical, bacteriological and microscopical, a text-book for students and practitioners . hkarin, Russk. Vrach. 1915, XIV, 505. 35° DIAGNOSTIC METHODS. they are derived. As stratified epithelium is found in the pelvis of the kidney, the ureters, bladder, and urethra, it is to be expected that large flat cells, cuboidal cells, or columnar cells will appear depending upon the layer fromwhich the cell is derived. As the simple epithelium exists in the uriniferoustubules, the prostate gland, seminal vesicles, and ejaculatory ducts, the recog-nition of such cells will limit their origin, the size being important in determin-ing the exact point from which they are derived. It is to be remembered, therefore, that the shape of the cell is of far less importance than is its size. The epithelial cells derived from the bladder are usually the large flatirregular cells commonly seen in all normal urine. They have a clear pro-toplasm and usually a small distinct central nucleus and are extremely granular.These flat epithelial cells may be single, in groups, or if the irritation is marked. Fig. 105.—Epithelium from different areas of urinary tract, a, leucocyte (for com-parison); b, renal cells; c, superficial pelvic cells; d, deep pelvic cells; e, cells from calices;/, cells from ureter; g, squamous epithelium from bladder; h, neck of bladder cells; i, epi-thelium from prostatic urethra; k, urethral cells; /, scaly epithelium; w, w, cells from seminalpassages; n, compound granule cells; o, fatty renal cell. (Hawk after Ogden.) may occur in large sheet-like masses. The large cuboidal cells of the bladderepithelium may be seen in acute cystitis in which they are associated with largenumbers of the flat cells previously mentioned. If the conditions becomechronic the flat cells may entirely disappear and be replaced by cuboidal andby a few columnar epithelial cells. These latter cells are especially observedin the severe inflammatory processes in the bladder. The

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• bookcentury1900
• bookdecade1910
• bookpublis
• booksubjectdiagnosis