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  • Title: [Pathomorphological studies on arterial cushion. 2. Aminonucleoside nephrotic rat].
    Author: Ono H, Ishitobi F, Ueda Y, Takimoto T, Hirabayashi K, Oka K, Sagiya A, Kuramochi Y, Iidaka K.
    Journal: Nihon Jinzo Gakkai Shi; 1989 Sep; 31(9):919-23. PubMed ID: 2585833.
    Abstract:
    The present study is an attempt to solve the problem of pathogenesis of focal glomerular sclerosis (FGS), especially in juxtamedullary cortex, we were investigated by measurement of luminal diameters of afferent arterioles (Aff), efferent arterioles (Eff) of numerous glomeruli, arterial cushion (AC), afferent arterioles (AC-aff) at a region of branching arteries from the interlobular arteries, using scanning electron micrographs of methyl methacrylate casts of intrarenal arteries of aminonucleoside nephrotic rats. As regards luminal diameters, Eff were nearly equal Aff in minor glomerular abnormalities (Minor). Nevertheless Eff of glomeruli with segmental sclerosis (FSHS) were smaller than Aff (t-test). AC with FSHS were smaller than ones of Minor, statistically (t-test). The results of these examination, the cushion may be important factor for the regulation of blood flow in sclerotic glomeruli.
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