Vasotocin-immunoreactive elements and neuronal typology in the suprachiasmatic nucleus of the chicken and Japanese quail |
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| Authors: | Dr. G. C. Panzica |
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| Affiliation: | (1) Institute of Histology and General Embryology, School of Medicine, University of Torino, Italy;(2) Facoltà di Medicina e Chirurgia, Istituto di Istologia ed Embriologia generale, c.so M. D'Azeglio 52, I-10126 Torino, Italy |
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| Abstract: | Summary A Golgi study of the suprachiasmatic nucleus (SCN) of the chicken and Japanese quail revealed in this area a complex neuronal pattern and typology, including specialized dendritic patterns. Immunocytochemical studies provided evidence for the existence of a vasotocinergic system within the SCN, mainly in its rostral portion. Other clusters of immunoreactive elements are located in the lateral and dorsal divisions of this nucleus; they show a different distribution in the chicken and Japanese quail. The present results confirm, in birds, the existence of a morphologically defined SCN, the complex cytoarchitecture of which suggests specialized functions.This study was supported by grants from CNR (83.00447.04, 84.01769.04 and 84.00797.04) and MPI (60%) |
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| Keywords: | Suprachiasmatic nucleus Vasotocin Golgi study Aves Japanese quail |
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