[Mounting of maxillary models on the Whip-Mix articulator].
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Biomedical subjects
Publications and source records attributed to J Alzieu.
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As an addition to classical cytology, the authors propose this histological examination of the clot, which is frequently observed in pleural fluids. This clot is taken before any centrifugation which might alter the former cellular groups. This method has been undertaken on 98 cases out of 196. Only 61 clots were prepared according to the histological technique, out of which 24 were positive. The only criteria taken under consideration were the histioid, trabecular or glandular groups. This technique enables the authors to a precise diagnosis in about one third of the suspicious cases and, besides, to discover a few positive cases which had escaped the routine technique.
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Thirty-five dissecting aneurisms of the aorta (D.A.). have been microscopically and ultramicroscopically examined. These data have been compared to those obtained from personal experiences on human aorta aging, as well as from Beta Aminopropionitrile treated rats. The authors conceive D.A. as a non-obligatory complication of a precocious and intense medianecrosis of the aortic wall, particularly characterized by a mucous imbibition and a loss elastic laminae. This medianecrosis is identical in dysplasic D.A. (Martan's syndrome for example) and in acquired D.A. (rapid aging or arteriosclerosis). The simultaneous occurence of a medianecrosis and conditions triggering tunica intima rupture, with blood afflux in the necrotic zone are undoubtedly rare. This explains the small number of observed D.A. in comparison to the large number of aortas with accentuated medial lesions.