The Morphology and Pathogenicity of the Bladder Worms: by Jaroslav àlais (auth.)

By Jaroslav àlais (auth.)

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Extra resources for The Morphology and Pathogenicity of the Bladder Worms: Cysticercus cellulosae and Cysticercus bovis

Sample text

Lm can be detected. The main parenchymal portion is evidently formed by the fine branching of the lacunary network situated closer to the surface. The subsequent transition of this network into the finest interstices could not be traced owing to the thinness of their walls, but the existence of such communication was indicated by their dilatation and the filling of these interstices with the same granular pigment as that found in the canals of the cysticercus at the onset of dystrophy. In these wholemounts we confirmed also the presence of calcareous corpuscles dispersed throughout the bladder wall.

The bladder having got stuck in the subependymal hole and lost its relationship with the parenchymatous portion of the body, also continued in its growth, thereby forming various folds and lobes (Fig. 8). A similar development was observed in one of the three parasites, which b Fig. 8. Schematic illustration of a cysticercus in subependymallocalization trapped in the ruptured wall of a cavity. The bladder and the parenchymatous portion developed independently. p - parenchymatous portion; h - neck; b - bladder; g - vessel.

B) Microscopical anatomy of the bladder wall of Cysticercus cellulosae The most typical feature of the surface of the bladder wall is the wartlike surface of the cuticle (Plate Ill, Fig. 1 and 2), which was noted also by VmcHow (1860), who compared it to a tiled pavement adding, however, that this ruggedness of the surface is in no way connected with the cell nuclei lying under the surface of the wall. LEUCKART{1879-1886) had a clear conception of these wartlike protuberances of the surface.

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