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  • 1
    Electronic Resource
    Electronic Resource
    Neurosecretory cells in the ventral nerve cord of leech (Hirudinaria granulosa) (1967)
    Springer
    Cellular and molecular life sciences 23 (1967), S. 1055-1056 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Nachweis von 3 Typen neurosekretorischer Zellen im Bauchmark der indischen BlutegelHirudinaria granulosa undTheromyzon rude.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02136447
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Denaturation map of the ribosomal DNA ofLytechinus variegatus sperm (1979)
    Springer
    Cellular and molecular life sciences 35 (1979), S. 1161-1163 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Electron microscopy of the partially heat denatured ribosomal DNA (rDNA) from sea urchin (Lytechinus variegatus) sperm has demonstrated that it consists of repeating units of 3.6±0.2 μm, corresponding to a mol.wt of 7.2±0.4×106. Based on differential denaturability, each repeat unit is divided into 2 regions. The larger region of 2.47±0.11 μm (mol.wt 4.9±0.22×106) corresponds in length to the ribosomal precursor RNA of sea urchins and the smaller, GC-rich, subunit of 1.16±0.09 μm (mol.wt 2.3±0.18×106) is presumed to contain non-transcribed spacer sequences.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01963262
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Nuclear blebs in oocytes of the fishClarias batrachus (1979)
    Springer
    Cellular and molecular life sciences 35 (1979), S. 867-868 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Large nuclear blebs have been observed in oocytes of the fish,Clarias batrachus. The bleb, which contains nucleoplasm, is finally extruded from the nucleus. The extruded body is DNase-sensitive, and it implies that some amount of DNA is extruded from the nucleus of these oocytes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01955116
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    A note on the contribution of hepatopancreas to the development of oocytes in the scorpion (Palamnaeus bengalensis) (1968)
    Springer
    Cellular and molecular life sciences 24 (1968), S. 260-260 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Das Hepatopankreas des Skorpions,Palamnaeus bengalensis, wurde untersucht, um herauszufinden, ob es Rohmaterial für die Entwicklung und Dotterbildung der Oozyten liefert. Es wird gezeigt, dass eine grosse Menge von Ferritin in der Leber gelagert und ausserdem in der sich entwickelnden Oozyte gefunden wird. Das Ferritin in den Oozyten ist auch direkt proportional zu ihrem Wachstum. Das Hepatopankreas scheint auch etwas Melaninkörner und Melaninvorstufen zur Entwicklung der in den Oozyten vorhandenen Melaninvorstufen zu liefern. Melaninvorstufen zusammen mit Sulfhydrylverbindungen bedingen eine gelbe Farbe der reifen Oozyten.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02152806
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Satellite DNA (II) from sea urchin (Lytechinus variegatus) sperm (1978)
    Springer
    Cellular and molecular life sciences 34 (1978), S. 846-848 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary When DNA isolated from freshly collected sperm of sea urchin (Lytechinus variegatus) is centrifuged to equilibrium in CsCl, 2 heavy satellite bands appear beside the main band DNA. Satellite DNA (II) appears in between the main band DNA (ϱ=1.695 g/cm3) and the rDNA satellite (ϱ=1.722 g/cm3). Satellite DNA (II) has a buoyant density 1.710 g/cm3, corresponding to 50% GC content. It is speculated that the satellite DNA (II), which appears to be of high mol.wt, might contain the sequences complementary to histone mRNA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01939657
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Invasive aspergillosis presenting as a cavernous sinus mass in immuno competent individuals; report of 3 cases (2000)
    Springer
    Neuroradiology 42 (2000), S. 108-111 
    Details
    ISSN: 1432-1920
    Keywords: Key words Cavernous sinus ; Magnetic resonance imaging ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Aspergillosis of the cavernous sinus is rare, especially in immuno competent individuals. We report three such cases secondary to paranasal sinus aspergillosis, with imaging findings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050025
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Idiopathic hypertrophic pachymeningitis: spectrum of the disease (1997)
    Springer
    Neuroradiology 39 (1997), S. 619-623 
    Details
    ISSN: 1432-1920
    Keywords: Key words Idiopathic hypertrophic pachymeningitis ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Hypertrophic pachymeningitis is extremely rare. It is a fibrosing inflammatory process which involves the dura mater, including the tentorium. Numerous pathological entities produce thickening of the pachymeninges, so that idopathic hypertrophic pachymeningitis is a diagnosis of exclusion. We describe four patients with idiopathic hypertrophic pachymeningitis who had varied clinical presentation. Imaging studies revealed diffuse thickening of the pachymeninges; in one patient there was extensive dural sinus thrombosis. Since no identifiable cause was found, the cases were labelled as idiopathic.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050479
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    Paper (German National Licenses)
    Fulltext
  • 8
    Electronic Resource
    Electronic Resource
    Cervical intramedullary lipoma with unusual MRI features: case report (1996)
    Springer
    Neuroradiology 38 (1996), S. S117 
    Details
    ISSN: 1432-1920
    Keywords: Key words Lipoma ; intramedul- lary ; Magnetic resonance imag- ; ing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Intramedullary (subpial) lipomas not associated with spinal dysraphism are very unusual [1]. A confident preoperative diagnosis is usually possible with MRI. We present a case of an isolated cervical intramedullary lipoma with unusual imaging morphology and imaging characteristics (distinctly low-signal on T 2-weighted images) on MRI. An explanation for these features is proposed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050935
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Cervical intramedullary lipoma with unusual MRI features: case report (1996)
    Springer
    Neuroradiology 38 (1996), S. S117 
    Details
    ISSN: 1432-1920
    Keywords: Lipoma, intramedullary ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Intramedullary (subpial) lipomas not associated with spinal dysraphism are very unusual [1]. A confident preoperative diagnosis is usually possible with MRI. We present a case of an isolated cervical intramedullary lipoma with unusual imaging morphology and imaging characteristics (distinctly low-signal on T2-weighted images) on MRI. An explanation for these features is proposed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02278137
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    Paper (German National Licenses)
    Fulltext
  • 10
    Electronic Resource
    Electronic Resource
    Positional MRI: a technique for confirming the site of leakage in cerebrospinal fluid rhinorrhoea (1997)
    Springer
    Neuroradiology 39 (1997), S. 818-820 
    Details
    ISSN: 1432-1920
    Keywords: Key words Magnetic resonance imaging ; Cerebrospinal fluid rhinorrhoea ; Computed tomographic cisternography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report confirmation of the site of leakage in two patients with spontaneous cerebrospinal fluid (CSF) rhinorrhoea by demonstrating CSF leaking on MRI. Both patients had midline anterior cranial fossa floor (cribriform plate/fovea ethmoidalis) dural-bone defects with arachnoid herniation with or without brain herniation into the upper part of the nasal cavity on MRI, which was subsequently confirmed surgically. Corresponding to the history of postural induction or aggravation of the rhinorrhoea, the CSF leak was demonstrated by the appearance of or increase in the sinonasal fluid collection by imaging the patient in the position of maximum leakage following initial images in the supine position.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050512
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    Paper (German National Licenses)
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