Biomaterial Database

Factors affecting cold acclimation and thermogenesis in man. 1988

J Leblanc

Department of Physiology, School of Medicine, Laval University, Quebec City, Canada.

Three types of cold exposure are observed in man: systemic moderate cold (SM), systemic severe cold (SS), and local severe cold (LS). Contrary to rat, prolonged exposure to SM cold does not produce non-shivering thermogenesis, as it does in the rat, possibly because of lack of active brown adipose tissue. Instead there is a reduction in heat production, in shivering, and in discomfort through a process known as habituation. No adaptation was found with exposure to SS cold, since shivering and discomfort always prevail and there is indirect evidence of enhanced sympathetic response after repeated exposure to SS cold. Exposure to LS cold leads to adaptive responses in which discomfort and autonomic activity are reduced. It is suggested that LS adaptation is also related to habituation.

UI	MeSH Term	Description	Entries
D001833	Body Temperature Regulation	The processes of heating and cooling that an organism uses to control its temperature.	Heat Loss,Thermoregulation,Regulation, Body Temperature,Temperature Regulation, Body,Body Temperature Regulations,Heat Losses,Loss, Heat,Losses, Heat,Regulations, Body Temperature,Temperature Regulations, Body,Thermoregulations
D003080	Cold Temperature	An absence of warmth or heat or a temperature notably below an accustomed norm.	Cold,Cold Temperatures,Temperature, Cold,Temperatures, Cold
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000064	Acclimatization	Adaptation to a new environment or to a change in the old.	Acclimation
D000222	Adaptation, Physiological	The non-genetic biological changes of an organism in response to challenges in its ENVIRONMENT.	Adaptation, Physiologic,Adaptations, Physiologic,Adaptations, Physiological,Adaptive Plasticity,Phenotypic Plasticity,Physiological Adaptation,Physiologic Adaptation,Physiologic Adaptations,Physiological Adaptations,Plasticity, Adaptive,Plasticity, Phenotypic
D013312	Stress, Physiological	The unfavorable effect of environmental factors (stressors) on the physiological functions of an organism. Prolonged unresolved physiological stress can affect HOMEOSTASIS of the organism, and may lead to damaging or pathological conditions.	Biotic Stress,Metabolic Stress,Physiological Stress,Abiotic Stress,Abiotic Stress Reaction,Abiotic Stress Response,Biological Stress,Metabolic Stress Response,Physiological Stress Reaction,Physiological Stress Reactivity,Physiological Stress Response,Abiotic Stress Reactions,Abiotic Stress Responses,Abiotic Stresses,Biological Stresses,Biotic Stresses,Metabolic Stress Responses,Metabolic Stresses,Physiological Stress Reactions,Physiological Stress Responses,Physiological Stresses,Reaction, Abiotic Stress,Reactions, Abiotic Stress,Response, Abiotic Stress,Response, Metabolic Stress,Stress Reaction, Physiological,Stress Response, Metabolic,Stress Response, Physiological,Stress, Abiotic,Stress, Biological,Stress, Biotic,Stress, Metabolic