Gravitational Physiology - 1st Edition - ISBN: 9780080273402, 9781483190143

Gravitational Physiology

1st Edition

Proceedings of the 28th International Congress of Physiological Sciences, Budapest, 1980

Editors: J. Hideg O. Gazenko
eBook ISBN: 9781483190143
Imprint: Pergamon
Published Date: 1st January 1981
Page Count: 330
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Description

Advances in Physiological Sciences, Volume 19: Gravitational Physiology covers the proceedings of the 28th International Congress of Physiological Sciences. The volume presents studies that tackle the biological concerns caused by the interactions between complex living organisms and altered gravitational field. The articles in the text are organized into parts, based on their main theme. The first part presents materials about the general problems when adapting to altered gravity system, such as physiological mechanisms of adaptation of mammals to weightlessness, and studies of biorhythms in biosatellite experiments. In the next part, the selection presents papers about metabolism and morphology that include stress metabolic aspects in space flight and the effect of spaceflight on human lymphocyte activation. The text also covers the function and structure of gravity-dependent systems, along with hypokinesia and immobilization. The book will be of great interest to health professionals involved in various space programs.

Table of Contents


Foreword

Preface

General problems. Adaptation to changed gravity

Remarks on present status of gravitational physiology

Physiological mechanisms of adaptation of mammals to weightlessness. Results of animal experiments aboard earth biological satellites

Animal resistance and reactivity during readaptation after an exposure to weightlessness

Artificial gravity as a countermeasure against adverse effects of weightlessness

Studies of biorhythms in biosatellite experiments

Rhythms of electrolyte and hydroxyproline excretion in urine of rats after three weeks of weightlessness (Biosatellite Cosmos-1129)

Ultrastructural qualitative and quantitative evaluation of cytoplasmatic structures of heart muscle in rats flown aboard biosputnik Cosmos-936

Physiological systems: metabolic and morphological studies

Effect of the mission Cosmos-1129 on body composition in the rat

Stress metabolic aspects in space flight

Weightlessness-induced morphological effects and stress-reactions of rats flown aboard biosatellites Cosmos

Studies of specific hepatic enzymes involved in the conversion of carbohydrates to lipids in rats exposed to prolonged spaceflight aboard Cosmos-1129

Neurochemical characteristics of rats after prolonged exposure to weightlessness

Effect of spaceflight on human lymphocyte activation

Function and structure of the gravity-dependent systems: Vestibular system, bone and muscle

Study of contractile properties and composition of myofibrillar proteins of skeletal muscles in the Cosmos-1129 experiment

Gravity-dependent variability of physiological properties of mammalian skeletal muscles

Morphometric analysis of rat muscle fibers following space flight

Bone resorption and calcium absorption in rats during spaceflight

Strength characteristics of rat spinal columns. Cosmos-1129

Bone growth in the rat mandible during spaceflight

Hypokinesia and immobilization

A new rat model for studies of hypokinesia and antiorthostasis

Influence of hypokinesis on functionally different skeletal muscles of rats

Structural and Na+ - K+ dependent ATP-ase modifications of skeletal muscle and myocardium of hypokinetic rats

Changes in the ATP-ase activity and protein composition of sarcoplasmic reticulum induced by immobilization of rabbit skeletal muscles

Plasticity of fast and slow muscle myofibrillar proteins in model experiments simulating weightlessness

Proteolytic enzymes in different kinds of skeletal muscles

Effect of immobilization on the excitatory and mechanical parameters of skeletal muscles with different types

Effect of immobilization on the nonhistone protein composition in different types of skeletal muscles

The changes in aerobic and anaerobic metabolism of skeletal muscles induced by immobilization

Studies on the brain capillaries of pregnant rats after experimental hypoxic exercises

Relations between respiratory and circulatory control during gravitational load in man

Varia-I

Gravitational adaptation of animals

Scaling of metabolic rate on body mass in small laboratory mammals

Some biochemical and morphological parameters in rat brain during +Gz acceleration

Alterations in heat loss and heat production mechanisms in rats exposed to hypergravic fields

Effect of space flight in biosatellites "Cosmos" on sympathetic-adrenomedullary activity of rats

Chronic central vascular expansion induces hypokalemia in conscious primates

Autonomic reactions in labyrinthectomized rabbits during angular acceleration

Labyrinth-plugging as a model of suspended vestibular sensory input

In vitro studies of 4 5Ca uptake and exchange by otoconia

The effect of space flight upon plasma and tissue lipids in rats: The Cosmos biosateUite program

Changes of deoxyribonucleoprotein and nucleic acids in spleen and thymus of rats flown onboard the Cosmos biosatellites

Varia-II

Initiation of nutation in sunflower hypocotyls

Changes of periodic protoplasmic movements on the fast clinostat

Thermal comfort of man in weightlessness

Aortic and tibial bloodflow response to lower body negative pressure (LBNP)

The application of blood flow velocity measurement under the influence of +Gz acceleration

Vibration and decompression gas bubbles

The effect of vibration on the gastric motility in rat

Relations between physiological effects of gravitational forces and those magnetic forces

Orthostatic tolerance and exercise response before and after 7 days simulated weightlessness

Changes in hemodynamics, blood oxygen saturation level and central nervous system in response to postural loading

Postural response in relation to the standing on inclined surfaces

The effect of acecazolamide on brain O2 metabolism

Index

Details

No. of pages:
330
Language:
English
Copyright:
© Pergamon 1981
Published:
Imprint:
Pergamon
eBook ISBN:
9781483190143

About the Editor

J. Hideg

O. Gazenko