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  • 1
    Digitale Medien
    Digitale Medien
    Ultrastructure of the nephron of the young camel Camelus dromedarius (1991)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 210 (1991), S. 101-115 
    Details
    ISSN: 0362-2525
    Schlagwort(e): Life and Medical Sciences ; Cell & Developmental Biology
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Biologie , Medizin
    Notizen: The present study was undertaken to compare the ultrastructure of the kidney of young camels (Camelus dromedarius) with that of adult kidneys, described previously (Safer et al., '88). Young kidneys are known to produce a urine that is only about half as concentrated as that of adult kidneys (Maloiy, '72; Abo-Salem, '88). While possessing most of the ultrastructural features of adult kidneys, and of mammalian kidneys in general, young kidneys differ from those of adults in several respects. The basal lamina comprising part of the filtration barrier is approximately one-fourth as thick as that of the adult kidney. Young kidneys also lack thickened, heterogeneous basal laminae associated with the parietal layer of Bowman's capsule, proximal convoluted tubules, and the thin segments of the loops of Henle in adult kidneys. In addition, the proximal convoluted tubules of young kidneys contain mixtures of lightly stained and darkly stained cells, while those of adult kidneys possess only lightly stained cells. These differences between young and adult kidneys might in part be related to a greater degree of water deprivation experienced by adult animals.
    Zusätzliches Material: 18 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/jmor.1052100202
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Ultrastructure of the nephron of the one-humped camel, Camelus dromedarius (1988)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 198 (1988), S. 287-301 
    Details
    ISSN: 0362-2525
    Schlagwort(e): Life and Medical Sciences ; Cell & Developmental Biology
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Biologie , Medizin
    Notizen: The nephron of the one-humped camel Camelus dromedarius was investigated by light and transmission electron microscopy. Besides the many features common to other mammalian kidneys, the nephron of the camel is unique in having an unusually thick basal lamina underlying the epithelial cells of the nephron, the thickest being found in part of the parietal layer of Bowman's capsule and the thin limb of the loop of Henle. In the latter, the membrane usually appears lamellated and contains numerous tiny vesicles. In other parts of the nephron, the basal lamina usually has a homogenous appearance. The possible significance of the thickening of the basal lamina is discussed in relation to the general high renal efficiency of the camel.
    Zusätzliches Material: 18 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/jmor.1051980304
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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