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The ventricular system in neuroendocrine mechanisms |
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| Authors: | Dr David E Scott Gerda Krobisch-Dudley Willis K Paull Gerald P Kozlowski |
| Institution: | (1) Departments of Anatomy, University of Rochester, School of Medicine and Dentistry, Rochester, New York, USA;(2) The Medical College of Georgia Augusta, Georgia, USA;(3) Colorado State University, Fort Collins, Colorado, USA;(4) Department of Anatomy, University of Rochester, School of Medicine and Dentistry, 14642 Rochester, New York, USA |
| Abstract: | Summary This investigation has utilized a correlative scanning-transmission electron microscopic technique in the analysis of the primate cerebral ventricular system. This approach has demonstrated a complex network of supraependymal cellular elements upon the walls of the third cerebral ventricle in direct contact with the ventricular lumen. Type I neuronal-like cells and type II histiocytic-like cells with potential phagocytic capabilities have been observed in large numbers throughout the third ventricle. Type I neuron-like cells are discussed in the context that they may represent a population of receptor-cells which serve to assess ambient changes in the composition of bioactive peptides in the cerebrospinal fluid and may serve as a supraependymal network that integrates the endocrine hypothalamus with other circumventricular organs which may also be sites of neuroendocrine transduction.Supported by USPHS Program Project Grant NS-11642Career Development Awardee GM K04 70001 |
| Keywords: | Supraependymal axons-neurons Neurocisternal secretion Receptor cells Scanning-transmission electron microscopy |
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