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  • 1
    Electronic Resource
    Electronic Resource
    Prefrontal cortical influences on behavioural thermoregulation and thermosensitive neurons
    Amsterdam : Elsevier
    Journal of Thermal Biology 9 (1984), S. 27-31 
    Details
    ISSN: 0306-4565
    Keywords: Thermoregulatory behaviour ; cortical spreading depression ; preoptic and anterior hypothalamus ; skin-cooling behaviour ; skin-heating behaviour ; sulcal prefrontal cortex ; thermosensitive neuron
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0306-4565(84)90033-0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Responses of midbrain raphe neurons to local temperature (1976)
    Springer
    Pflügers Archiv 364 (1976), S. 205-207 
    Details
    ISSN: 1432-2013
    Keywords: midbrain raphe neuron ; thermosensitive neuron ; brain serotonin ; midbrain temperature
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The effect of heating and cooling in the midbrain on the unit activities of midbrain raphe neurons in the rat was observed. Out of 24 raphe units studied, 14 units responded to a rise in midbrain temperature with an increased rate of firing. The remaining 10 units did not respond to temperature changes between 34 and 41°C. The result is consistent with the idea that the heat-induced increase in brain serotonin turnover is mediated by an increased firing rate of midbrain raphe neurons.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00585193
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    High-speed video analysis of the flagellar beat and swimming patterns of algae: possible evolutionary trends in green algae (1991)
    Springer
    Protoplasma 164 (1991), S. 54-69 
    Details
    ISSN: 1615-6102
    Keywords: Green algae ; Flagellar beat ; Video analysis ; Evolution ; Swimming patterns ; Prasinophyceae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The flagellar beat and swimming patterns of flagellated cells of 22 green plants, including 17 green flagellates (volvocalean and prasinophyte algae), motile cells of three seaweeds,Bryopsis, Caulerpa, andUlva, sperms of a liverwort,Marchantia, and a fern,Athyrium, were examined using a high-speed video system. So-called breast-stroke is widely distributed in green plants, and occurs rarely in prasinophyte flagellates and ulvophycean algae; in these algal groups flagellar beat similar to that found in animal sperm is common, both during forward and backward swimming. Different types of swimming patterns were observed in prasinophytes. The results indicate evolutionary trends of flagellar beat and swimming patterns in green plants such as change from backward to forward swimming, from flagellar to ciliary beating and from uni-directional (parallel) to radial-directional (cruciate) beating. Such trends are shown in two prasinophyte groups, thePyramimonas-lineage andTetraselmis-lineage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01320815
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Ultrastructure of the flagellar apparatus inPyramimonas octopus (Prasinophyceae) (1989)
    Springer
    Protoplasma 148 (1989), S. 41-56 
    Details
    ISSN: 1615-6102
    Keywords: Flagellar apparatus ; Connecting fibres ; Flagellar replication ; Numbering system of flagella ; Prasinophyceae ; Pyramimonas
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The flagellar apparatus of the octoflagellate prasinophytePyramimonas octopus has been examined in detail. While basal bodies of biflagellate green algae typically are interconnected by a proximal and distal fibre, the eight flagella ofPyramimonas octopus are joined together by at least 60 fibrillar structures, in this respect the most complex algal cell examined so far. The flagellar apparatus is asymmetrical, but part of it shows 180 degress rotational symmetry. We have detected 9 thick connecting fibres, c. 45 thinner fibres, 6 proximal fibres, one of which associates with only one basal body, and a large synistosome. Four 3-stranded microtubular roots are present, one of which associates with a cross-banded fibre leading to the aperture of the scale reservoir. Six rhizoplasts have been seen, but 8 are probably present. The association of each root and connecting fibre to individual (numbered) triplets of the basal bodies is described. The basal body system has been followed during flagellar replication. Newly formed flagella occupy different positions in the cell during 3 cell generations, but finally in the fourth generation end in the same central position near the nucleus. Based on the observed changes in position during successive generations, a numbering system for flagella in general is proposed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01403990
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    Paper (German National Licenses)
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