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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Cell & tissue research 108 (1970), S. 446-456 
    ISSN: 1432-0878
    Keywords: Loligo vulgaris ; Innervation ; Dense core vesicles ; Helicoidal muscle ; Filaments
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Zusammenfassung Die Innervation der braunen, roten und gelben Chromatophoren von Loligo vulgaris ist quantitativ und qualitativ verschieden. In den begleitenden Nervenbündeln finden sich stets Axone mit hellen (etwa 300 Å Ø), gelegentlich auch solche mit „dense-core“-Vesikeln (etwa 600 Å Ø). Die Myofilamente der kontraktilen Rinde sind gegeneinander versetzt und um die Längsachse spiralig gewunden. Im axialen Sarkoplasma treten gebündelte, in Längsrichtung zur Muskelzelle orientierte Filamente auf (jedes etwa 70 Å Ø), die möglicherweise eine Funktion bei der tonischen Kontraktion erfüllen.
    Notes: Summary The innervation of the brown, red and yellow chromatophore muscle cells in Loligo vulgaris shows quantitative and qualitative differences. The nerve bundles regularly contain axons with electronlucent vesicles of about 300 Å diameter, and occasionally axons with dense core vesicles of about 600 Å diameter. The myofibrils of the contractile cortex show a staggered arrangement and are wound in a spiral with respect to the axis of the muscle cell. In the axial sarcoplasm there is additionally a bundle of thin filaments of about 70 Å thickness. The bundle is orientated in parallel with the longitudinal axis of the muscle cell. Its function may be to maintain tonic contractions.
    Type of Medium: Electronic Resource
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