The hypothalamic-hypophyseal system and its evolutionary aspects in Scyliorhinus caniculus |
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| Authors: | Prof. Dr. J. C. van de Kamer M. A. Zandbergen |
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| Affiliation: | (1) Zoological Laboratory, Section of Histology and Cell Biology, State University of Utrecht, The Netherlands;(2) Zoological Laboratory, Transitorium III, Padualaan 8, 3508 TB Utrecht, The Netherlands |
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| Abstract: | Summary The peptidergic nature of most of the fibres of the neurosecretory system of Scyliorhinus caniculus has been demonstrated with the oxidation method of Naumann and Sterba (1976). Some of the fibres of this peptidergic system terminate on capillaries in the hypothalamic floor, some on neurointermediate cells. The evolutionary aspects of these observations are discussed.The authors wish to express their thanks to Dr. J. Peute for his valuable support and to Mr. L.W. van Veenendaal for preparing the illustrations |
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| Keywords: | Hypothalamic-hyphophyseal system Scyliorhinus caniculus Neurointermediate cells Peptidergic terminals Evolution |
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