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Related Concept Videos

Thermoregulation01:26

Thermoregulation

1.0K
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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Osmoregulation in Insects01:47

Osmoregulation in Insects

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Malpighian tubules are specialized structures found in the digestive systems of many arthropods, including most insects, that handle excretion and osmoregulation. The tubules are typically arranged in pairs and have a convoluted structure that increases their surface area.
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Thermosensation01:43

Thermosensation

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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...
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Body Temperature01:25

Body Temperature

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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...
1.0K
Responses to Heat and Cold Stress02:45

Responses to Heat and Cold Stress

13.6K
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
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Mechanism of heat transfer01:19

Mechanism of heat transfer

1.2K
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: Jul 16, 2025

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions
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Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions

Published on: March 9, 2021

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Recent advances in insect thermoregulation.

Chloé Lahondère1

  • 1Department of Biochemistry, The Fralin Life Science Institute, The Global Change Center, Department of Entomology, Center of Emerging, Zoonotic and Arthropod-borne Pathogens, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA.

The Journal of Experimental Biology
|September 12, 2023
PubMed
Summary
This summary is machine-generated.

Insects use physiological and behavioral strategies to manage body temperature fluctuations and avoid thermal stress. This review explores insect thermoregulation, its impact on immunity, and implications for climate change.

Keywords:
EndothermyEvaporative coolingThermal adaptationThermal stressThermoregulatory processesThermotolerance

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Area of Science:

  • Zoology
  • Ecology
  • Physiology

Background:

  • Ambient temperature is a critical factor for insects, influencing their survival and performance.
  • Insects must cope with daily, seasonal, and habitat variations in temperature to avoid thermal stress.
  • Thermoregulation is essential for insect survival, impacting various biological processes.

Approach:

  • This review synthesizes recent findings on insect thermoregulation across diverse insect groups.
  • It examines the molecular, physiological, and behavioral mechanisms insects employ to control body temperature.
  • The review also explores the interplay between thermoregulation, insect immunity, and pathogen development.

Key Points:

  • Insects utilize diverse strategies, including behavioral avoidance, evaporative cooling, and heat shock protein synthesis, to manage thermal stress.
  • Endothermy in insects can enhance parasite resistance, flight capabilities, and nest defense.
  • Technical advancements have significantly improved our understanding of thermoregulatory mechanisms.

Conclusions:

  • Thermoregulation is a complex trait crucial for insect adaptation to varied thermal environments.
  • Understanding insect thermoregulation is vital for predicting their responses to climate change and managing disease transmission.
  • Further research is needed to fill knowledge gaps concerning insect thermoregulation and its broader ecological impacts.