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Any human body may be imagined as an exposed energy system in "quasi-stable" thermodynamic equilibrium with the environment. Process of its vital activity is the process of a continuous energy exchange with the environment. By way of the diagnostic source information about human body and his individual organs is spatially-temporal distribution of physical fields and of emission around it. Uninvasive methods of the visualization are of practical interest. These methods was founded on an investigation of the own radiation load. The thermography system have this property, particularly infrared.