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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Cell & tissue research 115 (1971), S. 94-99 
    ISSN: 1432-0878
    Keywords: Gastropods ; Receptors ; Biogenic amines ; Transmitters
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Zusammenfassung Im Osphradium, in den Kopfanhängen und im Sipho verschiedener Prosobranchia sowie in Rhinophoren und Rückenanhängen von Opisthobranchiern wurden fluoreszenzmikroskopisch Nervenfasern und -endigungen festgestellt. Diese aminergen Strukturen liegen stets an der Basis von Sinnesepithelien. Mit Hilfe unterschiedlicher Bedampfungsmethoden konnten sowohl 5-Hydroxytryptamin als auch Catecholamine nachgewiesen werden. HCl-Behandlung der Paraffinschnitte ergab, daß die Catecholamine aus Dopamin und sehr wahrscheinlich auch aus Noradrenalin bestehen. Diese lichtmikroskopischen Befunde wurden durch mikrospektrofluorimetrische Messungen von Excitationsspektren bestätigt.
    Notes: Summary In the osphradium, the cephalic tentacles and in the sipho of various prosobranch snails as well as in the rhinophores and dorsal appendages of opisthobranch snails, nerve-fibres and -endings have been demonstrated with the fluorescence microscope. These aminergic structures have been found constantly at the basis of sensory epithelia. By means of different types of vapour exposure 5-hydroxytryptamine and catecholamines were shown to be present. HCl treatment of the paraffin sections demonstrated that the catecholamines consist of dopamine and with a high degree of probability also of noradrenaline. These lightmicroscopical observations were confirmed by microspectrofluorimetric measurements of excitation spectra.
    Type of Medium: Electronic Resource
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