Overview

A circadian rhythm is a roughly-24-hour cycle in the physiological processes of living beings, including plants, animals, fungi and cyanobacteria. The term 'circadian', comes from the Latin circa, 'around', and dies, 'day', meaning literally 'about a day'. The formal study of biological temporal rhythms such as daily, weekly, seasonal, and annual rhythms, is called chronobiology. In a strict sense, circadian rhythms are endogenously generated, although they can be modulated by external cues such as sunlight and temperature. Most of a person's body systems demonstrate circadian variations. The body systems with the most prominent circadian variations are the sleep-wake cycle, the temperature regulation system, and the endocrine system. The malfunctioning of a person's circadian system, or biological clock, causes circadian rhythm disorders. Circadian rhythms and their relation to health outcomes in the globalised hyper world of the 21st century are now understood to be extremely important.

Full Product Details

Author:   Alfredo V Lignelli
Publisher:   Nova Science Publishers Inc
Imprint:   Nova Science Publishers Inc
Weight:   0.710kg
ISBN:  

9781600218750

ISBN 10:   160021875
Pages:   222
Publication Date:   01 January 2008
Audience:   Professional and scholarly ,  College/higher education ,  Professional & Vocational ,  Postgraduate, Research & Scholarly
Format:   Hardback
Publisher's Status:   Active
Availability:   Available To Order  
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Table of Contents

Preface; The Human Biological Clock: From Genes to Chronotherapy; The Adaptive Significance of Circadian Rhythms and Its Relevance to Human Health; Non-Photic Effects on the Circadian System and How They Relate to Human Health; Diuretic Pattern in Older Adults with Nocturnal Polyuria and Its Association with Blood Pressure and Nocturnal Natriuresis; Acquisition of Circadian Rhythms by Neonates: A Review on the Potentials of Exfoliated Cells to Study Gastrointestinal Tract Maturation and Clockwork; Circadian Rhythm of the Autonomic Nervous System in Quality Sleep Disorders; Melatonin-Rich Night-Time Milk, Sleep and Daytime Activity in Healthy Middle-Aged Subjects; Modulatory Effects of Respiration on Circadian Rhythm of Heart Rate Variability; Circadian Rhythms in Eye Parameters; Circannual Changes in Photoperiod and Environment Affects Fertility in the Pig; The Current State of Knowledge About Impact of Working at Night and Working Shifts on Employees' Health; Circadian Rhythms of the Cell Proliferation and Migration in the Small Intestine; Index.

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