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      Chronic Recording of Electrophysiological Manifestation of the Hypothalamic Gonadotropin-Releasing Hormone Pulse Generator Activity in the Goat

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          Abstract

          A characteristic increase in multiple-unit activity (MUA volley) synchronized with the pulsatile secretion of luteinizing hormone (LH) by the pituitary gland was recorded from electrodes chronically implanted in the medial basal hypothalamus of ovariectomized goats. The MUA volley always preceded the LH pulse, and the temporal correlation was consistent even when the pulse frequency was altered with an anesthetic or exogenous steroids. The electrophysiological manifestation of the hypothalamic ‘pulse generator’ governing the secretion of gonadotropin-releasing hormone was thus demonstrated in the ruminant.

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          Author and article information

          Journal
          NEN
          Neuroendocrinology
          10.1159/issn.0028-3835
          Neuroendocrinology
          S. Karger AG
          0028-3835
          1423-0194
          1991
          1991
          04 April 2008
          : 53
          : 4
          : 392-395
          Affiliations
          aLaboratory of Veterinary Reproduction, Tokyo University of Agriculture and Technology, Tokyo; bDepartment of Physiology, Yokohama City University School of Medicine, Yokohama, Japan
          Article
          125746 Neuroendocrinology 1991;53:392–395
          10.1159/000125746
          2046871
          © 1991 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.

          Page count
          Pages: 4
          Categories
          Original Paper

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