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Immunocytochemical investigation of the hypothalamo-neurohypophysial system in birds |
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| Authors: | Dr N Goossens Dr S Blähser A Oksche F Vandesande K Dierickx |
| Institution: | (1) Department of Embryology and Comparative Histology, Rijksuniversiteit, Gent, Belgium;(2) Department of Anatomy and Cytobiology, Justus Liebig-Universität, Giessen, Federal Republic of Germany;(3) Laboratorium voor Embryologie en Vergelijkende Histologie, Rijksuniversiteit, Godshuizenlaan, 4, B-9000 Gent, Belgium;(4) Zentrum für Anatomie und Cytobiologie, Justus Liebig-Universität, Aulweg 123, D-6300 Giessen, Federal Republic of Germany |
| Abstract: | Summary The results of an immunohistochemical investigation of the hypothalamo-neurohypophysial system in several species of birds have shown that: (1) mesotocin and vasotocin are synthesized in separate neurons; (2) in all species investigated the distribution of mesotocinergic and vasotocinergic perikarya follows a common pattern; (3) the external zone of the avian anterior median eminence contains exclusively vasotocinergic nerve fibers, originating in supraoptic and ventral paraventricular regions; (4) the distribution of immunoreactive elements in the neural lobe shows a definite species-dependent pattern. |
| Keywords: | Hypothalamo-neurohypophysial system Birds Vasotocin neurons Mesotocin neurons Immunohistochemistry |
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