A Comparative Study of Temperature Fluctuations in Different Parts of the Human Body

A Comparative Study of Temperature Fluctuations in Different Parts of the Human Body

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A Comparative Study of Temperature Fluctuations in Different Parts of the Human Body

A Comparative Study of Temperature Fluctuations in Different Parts of the Human Body

Read FREE!

Excerpt

The normal body-temperature is a resultant of two factors, thermogenesis, or the development of heat inside the body; and thermolysis, the loss of heat from the body. Usually these two factors are so delicately adjusted as to be nearly equal in value and hence the resulting temperature of the body does not alter materially. When there are marked disturbances in either factor, we have changes in body-temperature. Innumerable experiments1 This article also includes an extensive statement of literature up to the date of publication. have been made to investigate the factors influencing both thermogenesis and thermolysis, and it has been proved that the most important factor affecting thermogenesis is muscular work, either voluntary or involuntary, while the most important factor affecting thermolysis is the temperature environment; this latter is particularly true of small animals.

A knowledge of the fluctuations in body-temperature is of inestimable value to the physician as an index of the body condition; in health the normal limits are rarely exceeded, and consequently increased temperature indicates that radical measures must be taken. To the physiologist, also, a knowledge of the course of the normal body-temperature is important, and when experiments on calorimetry are attempted this factor has especial significance.

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