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      Adrenal Medullary Secretion in Response to Diencephalic Stimulation in the Rat

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          Abstract

          The effect of diencephalic stimulation on adrenal medullary secretion was investigated in pentobarbital-anesthetized rats. Adrenal secretions of epinephrine and norepinephrine were evaluated by collections and fluorometric analyses of adrenal venous blood samples. A significant increase in epinephrine secretion was produced by stimulation of the dorsomedial, ventromedial and lateral hypothalamic areas and the posterior regions of the thalamus. Most of the positive responsive areas in the diencephalon were localized near the dorsomedial hypothalamic nucleus. In contrast, a significant decrease in epinephrine secretion with or without a significant decrease in norepinephrine secretion was observed following stimulation of the preoptic area and lateral hypothalamic region and a significant decrease in norepinephrine secretion following stimulation of the anterior region of the thalamus. These findings may be interpreted as indicative of existences in the diencephalon of excitatory and inhibitory central nervous system mechanisms for the control of the adrenal medullary secretion.

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          Author and article information

          Journal
          NEN
          Neuroendocrinology
          10.1159/issn.0028-3835
          Neuroendocrinology
          S. Karger AG
          0028-3835
          1423-0194
          1984
          1984
          28 March 2008
          : 38
          : 2
          : 164-168
          Affiliations
          Department of Physiology, Nagasaki University School of Medicine, Nagasaki, Japan
          Article
          123885 Neuroendocrinology 1984;38:164–168
          10.1159/000123885
          6717746
          cf22df4c-57bd-46b7-9977-cb926ee075b7
          © 1984 S. Karger AG, Basel

          Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

          History
          : 21 January 1983
          : 08 August 1983
          Page count
          Pages: 5
          Categories
          Original Paper

          Endocrinology & Diabetes,Neurology,Nutrition & Dietetics,Sexual medicine,Internal medicine,Pharmacology & Pharmaceutical medicine
          Rat adrenal medulla,Thalamus,Preoptic area,Adrenal medullary secretion,Epinephrine secretion,Norepinephrine secretion,Diencephalon,Hypothalamus

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