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  • 1980-1984  (2)
  • Analgesic agents  (1)
  • Anurans  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Sexual dimorphism in succinic dehydrogenase staining of toad pretrigeminal nucleus (1982)
    Springer
    Experimental brain research 45 (1982), S. 447-450 
    Details
    ISSN: 1432-1106
    Keywords: Pretrigeminal nucleus ; Sexual dimorphism ; Toads ; Anurans
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The anuran (toad and frog) pretrigeminal nucleus is probably involved in the production of vocalizations, including the male mating call. This nucleus is especially obvious when stained by the succinic dehydrogenase method. In the American toad, a striking sexual dimorphism is shown by such staining. The male nucleus contains numerous, large cells that stain intensely. Such cells are smaller and infrequent in females.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01208605
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Changes in heart rate and blood pressure upon injection of algesic agents into skeletal muscle (1982)
    Springer
    Pflügers Archiv 393 (1982), S. 31-36 
    Details
    ISSN: 1432-2013
    Keywords: Analgesic agents ; Cardio-vascular changes ; Muscle afferents
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In cats anaesthetized with chloralose and urethane algesic substances were injected intra-arterially into muscles of the left hindlimb and the resulting changes in heart rate and blood pressure recorded. The vagus nerves and both carotid sinus nerves were cut. Injection of KCl regularly induces acceleration of the heart rate and an increase in blood pressure. With bradykinin both accelerations and decelerations were observed (with or without accompanying pressor or depressor responses respectively). Injection of serotonin was rather ineffective in producing heart rate or blood pressure changes but subsequent injections of either KCl or bradykinin gave rise to enhanced acceleration and pressor responses. In the discussion it will be proposed that the diverse responses are due to differences in the composition of the afferent volleys elicited, probably because besides stimulating nociceptors these algesic substances activate to a varying extent non-nociceptive muscular fine afferent units of different modality and various central actions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00582387
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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