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Related Concept Videos

Body Temperature01:25

Body Temperature

3.7K
The body's temperature, measured in degrees, is determined by the balance between heat production and dissipation to the surrounding environment. For instance, if exercising vigorously, the body will produce more heat, causing sweat and dissipating that heat. Despite extreme environmental conditions and physical exertion, the human temperature-control system maintains a constant core body temperature (the temperature of deep tissues, which are the tissues located beneath the skin and other...
3.7K
Body Temperature01:07

Body Temperature

1.8K
Body temperature reflects the equilibrium between heat production and heat loss within the body. Most heat is generated by metabolically active tissues, particularly the liver, heart, brain, kidneys, and endocrine organs. At rest, skeletal muscles contribute 20–30% of total heat production, but during vigorous exercise, this can increase up to 30–40 times.
The average body temperature is approximately 37°C (98.6°F) and typically ranges from 36.1–37.2°C...
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Thermoregulation01:26

Thermoregulation

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The human body has a sophisticated thermoregulation system that employs negative feedback mechanisms to maintain an optimal core temperature. When the core temperature drops, peripheral and central thermoreceptors send signals to the hypothalamus, activating the heat-promoting center. This center triggers several responses aimed at increasing the core temperature. First, vasoconstriction reduces the flow of warm blood from internal organs to the skin so that the heat is not lost from the skin,...
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Thermosensation01:43

Thermosensation

29.7K
Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...
29.7K
Factors Affecting Body Temperature01:28

Factors Affecting Body Temperature

8.7K
As a nurse, it is vital to understand the factors affecting body temperature to monitor variations and effectively evaluate deviations from regular.
Factors may  include:
8.7K
Mechanism of heat transfer01:19

Mechanism of heat transfer

2.3K
Understanding heat transfer mechanisms is essential for understanding how our bodies maintain balance in different environmental conditions. When the environment is thermoneutral, the body is in a state of balance, neither using nor releasing energy to maintain its core temperature. However, when the environment is not thermoneutral, the body employs four heat transfer mechanisms to maintain homeostasis: conduction, convection, evaporation, and radiation. These mechanisms facilitate heat...
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Related Experiment Video

Updated: May 1, 2026

Measuring Skeletal Muscle Thermogenesis in Mice and Rats
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Measuring Skeletal Muscle Thermogenesis in Mice and Rats

Published on: July 27, 2022

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Skin temperature: its role in thermoregulation.

A A Romanovsky

    Acta Physiologica (Oxford, England)
    |April 10, 2014
    PubMed
    Summary
    This summary is machine-generated.

    Skin temperature provides feedback for physiological thermoregulation, while specialized skin areas offer feedforward signals for behavioral thermoregulation. This distinction is crucial for understanding temperature regulation and developing new drug-based therapies.

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    Area of Science:

    • Physiology
    • Thermoregulation
    • Somatic Sensory Science

    Background:

    • Skin temperature's role in thermoregulation is debated: feedback vs. feedforward signal.
    • Hairy skin insulates the body, providing feedback on superficial temperature.
    • Non-hairy skin (glabrous) acts as an effector and senses environmental temperatures.

    Purpose of the Study:

    • To analyze if skin temperature signals ambient temperature (feedforward) or body temperature (feedback).
    • To differentiate the roles of hairy and non-hairy skin in thermoregulation.
    • To discuss implications for thermopharmacology.

    Main Methods:

    • Review of physiological and behavioral thermoregulation mechanisms.
    • Analysis of thermal signaling pathways in hairy and non-hairy skin.
    • Discussion of sensory input in autonomic and behavioral regulation.

    Main Results:

    • Hairy skin provides auxiliary feedback (negative and positive) to the thermoregulation system, reducing response time and error.
    • Non-hairy skin primarily functions as an effector and senses environmental temperatures, providing feedforward signals for behavior.
    • Autonomic thermoregulation relies solely on feedback, while behavioral thermoregulation utilizes both feedback and feedforward signals.

    Conclusions:

    • Skin temperature's role is context-dependent, serving as feedback in physiological thermoregulation and feedforward in behavioral responses.
    • Understanding these distinct roles is essential for thermopharmacology, enabling targeted drug interventions.
    • The study clarifies the dual function of skin temperature sensing in maintaining thermal homeostasis.