Identification of separate vasopressin-neurophysin II and oxytocin-neurophysin I containing nerve fibres in the external region of the bovine median eminence |
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Authors: | F Vandesande Dr K Dierickx J De Mey |
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Institution: | (1) Department of Embryology and Comparative Histology, Rijksuniversiteit, Gent, Belgium;(2) Laboratorium voor Embryologie en Vergelijkende Histologie, Rijksuniversiteit, Godshuizenlaan, 4, B-9000, Gent, Belgium |
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Abstract: | Summary Immuno-enzyme histochemical investigations showed the presence, in the external region of the bovine median eminence, of accumulations of vasopressin-neurophysin II-and oxytocin-neurophysin I-complexes. These two hormone-neurophysin complexes are located in separate fine varicose nerve fibres. The results strongly plead against an important role of tanycytes in the transport of vasopressin, oxytocin and neurophysins from the cerebrospinal fluid to the hypophysial portal blood-vessels.This work was supported by a grant from the Belgian Nationaal Fonds voor Geneeskundig Wetenschappelijk Onderzoek. |
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Keywords: | Bovine median eminence External region Vasopressin-neurophysin II fibres Oxytocin-neurophysin I fibres Immuno-enzyme histochemistry |
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