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Related Experiment Video

Updated: Feb 2, 2026

Using a Thermal Camera to Measure Heat Loss Through Bird Feather Coats

Using a Thermal Camera to Measure Heat Loss Through Bird Feather Coats

Published on: June 17, 2020

Sweating as a heat loss thermoeffector.

Daniel Gagnon¹, Craig G Crandall²

¹Cardiovascular Prevention and Rehabilitation Centre, Montreal Heart Institute, Montreal, QC, Canada.

Handbook of Clinical Neurology

|November 21, 2018

Summary

This summary is machine-generated.

Human sweating is a key autonomic thermoeffector, crucial for heat loss via evaporation, especially when environmental heat exceeds body temperature. This review explores its physiological regulation and role in maintaining thermal balance.

Keywords:

acclimation cholinergic eccrine evaporation heat perspiration sweat gland thermoregulation

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Last Updated: Feb 2, 2026

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Area of Science:

Human physiology
Thermoregulation
Autonomic nervous system

Background:

Sweating is the primary mechanism for heat loss in humans.
Evaporation of sweat is essential for preventing hyperthermia, particularly in hot environments.
Sweat production is a complex process involving neural signaling and eccrine gland function.

Purpose of the Study:

To review the physiological role of sweating as a thermoeffector in humans.
To elucidate the neural control and glandular mechanisms of sweat production.
To discuss factors influencing sweating and its contribution to heat balance.

Main Methods:

Review of existing scientific literature on human sweating and thermoregulation.
Analysis of neurophysiological pathways controlling sweat glands.
Examination of the biophysical processes of sweat secretion and evaporation.

Main Results:

Sweating is regulated by the autonomic nervous system, responding to thermal and nonthermal stimuli.
Eccrine glands secrete a primary fluid reabsorbed in ducts, producing hypotonic sweat.
Sweat rate increases proportionally with thermal challenge to maintain heat balance.

Conclusions:

Sweating is the most potent autonomic heat loss mechanism in humans.
Understanding sweat control is vital for managing thermal stress and physiological responses.
Factors like acclimation and dehydration significantly modify sweating efficiency.