E. Sparwald

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We have been examining the electron microscopical structure of the vascular stria, the spiral prominence and the spiral ligament in guinea-pigs. Fixation has been achieved by intravascular or intracochlear perfusion or immersion technique. Primary agents for fixation were glutaraldehyde or osmium tetroxide. Using glutaraldehyde, artefacts were produced in(More)
It is well known that numerous drugs which induce drug metabolizing enzymes, such as phenobarbital, produce liver hypertrophy ff the inducing agent is repeatedly administered. The following results provide evidence that the growth of the fiver after partial hepatectomy (2/3) is also accelerated ff rats receive phenobarbital daily. The wet and dry liver(More)
The proceedings of restitution after Streptomycineintoxication were examined on Guinea-pigs cristae ampullares. The animals were sacrificed 10, 14, 16 days after the tenth injection of Streptomycine (250 mg/kg and day). At this time no visible damage of the sensory cell's plasma could be seen, though at the same time the sensory hairs showed signs of(More)
Wit verabfolgten pigmentierten Meersehweinehen yon durehsehnittlieh 200--250g K6rpergewieht 250mg Streptomyeinsulfat pro kg K6rpergewieht und Tag. Dabei bildeten wit Gruppen yon je 2 Tieren, die wit naeh jewefls 2 Tagen nach der yon Wers/~ll angegebenen Methode supravital fixierten und t6teten. Die ersten beiden Tiere tSteten wit 2 Tage naeh der ersten(More)