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  • 1
    Electronic Resource
    Electronic Resource
    Ultrastructural alterations on chloride cells of the yellowtail Seriola quinqueradiata, following exposure to the red tide species Chattonella antiqua (1985)
    Springer
    Marine biology 88 (1985), S. 101-108 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract By means of scanning and transmission electron microscopy, the influence of the red tide species Chattonella antiqua was examined with respect to the surface ultrastructures of chloride cells of the yellowtail Seriola quinqueradiata. Conspicuous ultrastructural alterations occurred on the apical surface of these cells. The majority of chloride cells in the control gills showed an apical surface with numerous cellular extensions, while more than half the chloride cells affected by red tide organisms exhibited an apical surface with fewer and smaller extensions, a wrinkled apical surface, or a protruded apical surface. These ultrastructural alterations of chloride cell surface may be due to the partial disturbance of salinity by C. antiqua, and reflect the changes of the ion-transport function in yellowtail gills exposed to red tide water.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00393048
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effects of 3-acetylpyridine on the adrenal medulla of the mouse (1984)
    Springer
    Journal of neural transmission 60 (1984), S. 45-55 
    Details
    ISSN: 1435-1463
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In the present work, the effects of 3-acetylpyridine (3-AP) on the adrenal medulla were investigated for biochemical and morphological changes. Adrenaline- and noradrenaline-storing cells treated with 3-AP one day previously had lost almost all their granules. A large number of lipoid droplets appeared in the cytoplasm. At the same time, the concentrations of adrenaline and noradrenaline cells were significantly decreased below control values (P〈 0.01). However, these significant changes were ameliorated 19 days after 3-AP treatment. Morphologically and biochemically, the adrenaline- and noradrenaline-storing cells had recovered completely at 35 days.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01254764
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Distribution of 35S-taurine in rat neonates and adults (1984)
    Springer
    Histochemistry and cell biology 80 (1984), S. 225-230 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The distribution of 35S-taurine in rat neonates and adults was investigated by wholy-body autoradiography. The neonates (4-day-old) were frozen in dry-ice hexane at 30 min, 1, 3 and 6 h after an intraperitoneal injection of 35S-taurine, whereas survival intervals for adult rats were 1 and 3 h. Whole-sagittal sections of the frozen rat, obtained by using a cryostat microtome were dried in situ and autoradiographed. In rat neonates and adults, 35S-taurine was mainly accumulated in the renal cortex, urine, feces, liver, eye (lens, vitreous fluid, retina), hypophysis, thymus, adrenal glands, nasal mucous membrane, salivary glands, gastric mucosa, small and large intestinal mucosa, choroid plexus, myocardium and sebaceous glands. In the rat neonate, such regions as the olfactory bulb, cerebrum, and cerebellum showed relatively high optical density.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00495770
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    Paper (German National Licenses)
    Fulltext
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