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  • 1
    Digitale Medien
    Digitale Medien
    Brain nucleic acid content of inbred rats of various strains (1977)
    Springer
    Bulletin of experimental biology and medicine 83 (1977), S. 893-895 
    Details
    ISSN: 1573-8221
    Schlagwort(e): inbred animals ; defensive conditioning ; nucleic acids ; neurons
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract Changes in the nucleic acid content were studied during defensive conditioning to electric shocks. In WAG rats a reflex was formed on average after 42.7 presentations of combined electrical and photic stimulation, compared with 14.09 combinations in August rats. Cytophotometric determination of the nucleic acid content in the neurons and perineuronal glia of the cortex revealed an increase in RNA only in August rats. It is suggested that the increased RNA synthesis in the animals of this strain may be the material basis of their greater ability to learn.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00798909
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Modifying effect of estradiol and progesterone on epileptic activity of the rat brain (1989)
    Springer
    Neuroscience and behavioral physiology 19 (1989), S. 412-415 
    Details
    ISSN: 1573-899X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Conclusions 1. Estrogen and progesterone, being an epileptogen and anticonvulsant, respectively, are capable of modifying epileptic activity induced by Cz in two basic ways: by a direct influence on receptors of neuronal membranes and modification of electrogenesis, and by changing the intracellular metabolism of neurons. 2. At initial stages of exposure to steroids, the first mechanism prevails, while at later stages modification of convulsive activity is accomplished primarily by change in the intracellular metabolism of neurons.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01197874
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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