Hibernation and Torpor in Mammals and Birds

Hibernation and Torpor in Mammals and Birds

1st Edition - July 28, 1982

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  • Author: Charles P Lyman
  • eBook ISBN: 9780323138246

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Description

Hibernation and Torpor in Mammals and Birds explores the physiological factors that control hibernation and torpor in birds and mammals. This text covers topics ranging from metabolism in hibernation to the role of endocrines, respiration and acid-base state in hibernation, and theories of hibernation. This book is comprised of 14 chapters and begins with an overview of some clear-cut definitions and why mammals and birds hibernate. The reader is then introduced to the variations from euthermia that have been observed among birds and mammals. To give some structure to this listing, the approach is phylogenetic, starting with the birds and proceeding through the primitive to the more advanced mammals. Subsequent chapters explains the process of entering hibernation and the hibernating state, itself; capability of a species in natural hibernation to arouse from that state using self-generated heat; physiological changes at the start of a spontaneous arousal; and physiological mechanisms underlying the ability of hibernators to rewarm. Consideration is also given to intermediary metabolism in hibernation, cold adaptation of metabolism in hibernators, and the response of hibernators to various extrinsic influences such as neoplastic growth, radiation injury, and parasitism and symbionts. This book will be of interest to students and researchers in fields ranging from zoology to physiology and biophysics.

Table of Contents


  • Preface

    1. Why Bother to Hibernate?

    References

    2. Who is Who among the Hibernators

    Birds

    Mammals

    References

    3. Entering Hibernation

    References

    4. The Hibernating State

    References

    5. Sensitivity to Arousal

    References

    6. The Mystery of the Periodic Arousal

    The Emergency Emergence

    The Deep—but Not Unbroken—Sleep

    References

    7. Mechanisms of Arousal

    References

    8. Intermediary Metabolism in Hibernation

    Temporal Changes in Intermediary Metabolism

    Temporal Relations of Metabolism within the Short Cycle of Hibernation

    References

    9. Is There Cold Adaptation of Metabolism in Hibernators?

    Management of ATP at Low Temperature in Mammalian Tissues

    Effect of Temperature on Metabolic Rate

    References

    10. Hibernation: Some Intrinsic Factors

    References

    11. Hibernation: Responses to External Challenges

    References

    12. Hibernation and the Endocrines

    Introduction

    Hypothalamo-Hypophyseal Interactions in Hibernation

    Role of Brain Monoamines on Control of Endocrine Functions and Thermoregulation

    Pituitary Gland

    Thyroid

    Parafollicular (C) Cells of Thyroid and Parathyroids

    Endocrine Pancreas

    Pineal

    Gonads

    Adrenal Gland

    Perspectives

    References

    13. Respiration and Acid-Base State in Hibernation

    Studies on Deep Hibernation

    Transient States: Entrance and Arousal

    Environmental Respiratory Conditions and Hibernation

    Discussion: Respiration and the Physiology of Hibernation

    References

    14. Recent Theories of Hibernation

    References

    Index




Product details

  • No. of pages: 328
  • Language: English
  • Copyright: © Academic Press 1982
  • Published: July 28, 1982
  • Imprint: Academic Press
  • eBook ISBN: 9780323138246

About the Author

Charles P Lyman

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