Identifier: kidneydiseasesur00beal (find matches)
Title: Kidney diseases, urinary deposits, and calculous disorders : their nature and treatment
Year: 1870 (1870s)
Authors: Beale, Lionel S. (Lionel Smith), 1828-1906
Subjects: Kidneys Urinary organs Urine Kidney Diseases Urinalysis Urinary Calculi
Publisher: Philadelphia : Lindsay and Blakiston
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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ion of the uriniferous tube is represented at e(fig. 7). Generally, the cell does not exhibit a distinct outline as is usuallyrepresented, although, on the contrary, the outline of the nucleus isoften sharp and well defined. The material around the nucleus usuallyappears granular, and I am not satisfied as to the existence of adistinct cell-membrane. The nuclei are very large, and may easily bemistaken for the entire cell. The epithelium in the straight part of theuriniferous tube in the medullary portion of the kidney is flatter, and itsoutline is more distinct. In the cortex, the epithelium takes part insecretion, but in the medullary portion of the organ it probably cor-responds to the epithelium of the duds of glands generally. Manyvessels in this part of the kidney pursue a very straight course, and areof large size, their diameter being equal to, or even greater than, that ofthe tubes, d (fig. 8). * For the composition of this fluid, see How to work with the Microscope. Plate IE
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Path LallSSe VEIN, 7 in which much more blood is made to pass into the pyramids thannormally, these arterial branches or vasa recta, become much thickened,and the circular muscular fibres are more readily demonstrated than inhealth. A few branches of these arteries pass right through the kidneyand reach the capsule. ( On the Vasa Recta in the Pyramids of theKidney, Archives of Medicine, vol. I, 1856.) Many observers have aiticised Virchows statements concerning thearteriolar rectse, and have stated that these vessels^ not originate directlyin arteries, unless it be as a very small and most irregular source. Yetit seems to me that my specimens copied in pi. XXIX, Archives, vol. I,published in 1856, pi. IV, fig. 13, prove conclusively that numerous arte-rial branches do come off from arteries in the healthy kidney, turn down-wards in the pyramids and break up into bundles of small elongatedvessels, the blood circulating through which, has never passed throughany Malpighian bodies whatev

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