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  • 1990-1994  (2)
  • Bone conductivity  (1)
  • Bone permittivity  (1)
  • Key words: NADPH-diaphorase – Vasopressin – Oxytocin – Coexistence – Hypothalamus – Rat (Wistar)  (1)
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Material
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Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Coexistence of NADPH-diaphorase with vasopressin and oxytocin in the hypothalamic magnocellular neurosecretory nuclei of the rat (1994)
    Springer
    Cell & tissue research 276 (1994), S. 31-34 
    Details
    ISSN: 1432-0878
    Keywords: Key words: NADPH-diaphorase – Vasopressin – Oxytocin – Coexistence – Hypothalamus – Rat (Wistar)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. Coexistence of NADPH-diaphorase with vasopressin and oxytocin was studied in the magnocellular neurosecretory nuclei of the rat hypothalamus by use of sequential histochemical and immunocytochemical techniques in the same sections. Coexistence was found in all the nuclei examined (supraoptic, paraventricular, circular, fornical, and in some isolated neurons located in the hypothalamic area between the paraventricular and supraoptic nuclei). The ratios of neurons expressing both markers (NADPH-diaphorase and vasopressin, NADPH-diaphorase and oxytocin) in each of the nuclei were very similar. Although further studies must be carried out, the partial coexistence found in all nuclei suggests that NADPH-diaphorase is probably not related to general mechanisms involving vasopressin and oxytocin, but rather in specific functions shared by certain hypothalamic neuronal cell populations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00354781
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Variation of the electric properties along the diaphysis of bovine femoral bone (1991)
    Springer
    Medical & biological engineering & computing 29 (1991), S. 441-446 
    Details
    ISSN: 1741-0444
    Keywords: Bone conductivity ; Bone impedance ; Bone permittivity ; Cortical bone ; Femoral diaphysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract A preliminary study is presented of the variability of the electric properties, in the axial, tangential and radial directions, as a function of position in the diaphysis of a femoral bovine bone. The measurements were carried out at three frequencies: 100 Hz, 10 kHz and 1 MHz. It is shown that both the conductivity and the permittivity exhibit significant variations along the diaphysis, and increase in magnitude towards the epiphyses. From this study, the variation of the electric properties cannot be clearly and directly ascribed to the longitudinal variability of the total volumetric fluid content of the bone. The results reflect the orthotropic nature of the electric properties, at any given location, and indicate a position-dependent tendency towards axis symmetry.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02441667
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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