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Updated: Jul 29, 2026
07:54
Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions
Published on: March 9, 2021
Thermoregulatory spectrum in vertebrates
1School of Life Sciences, Pt. Ravishankar Shukla University, Raipur, India.
Indian Journal of Experimental Biology
|November 1, 1996
Summary
Vertebrate body temperature control is a complex, integrated system, not isolated. Ectotherms and endotherms share fundamental thermoregulation similarities, differing mainly in homeostatic ability.
Area of Science:
- Physiology
- Evolutionary Biology
- Neuroscience
Background:
- Thermoregulation evolved recently in vertebrates, utilizing and modifying existing systems.
- Diverse thermoregulatory mechanisms exist across vertebrate classes.
- Body temperature control is a hierarchically integrated system, not isolated.
Purpose of the Study:
- To review evidence on vertebrate thermoregulation.
- To highlight the integrated nature of body temperature control.
- To explore similarities between ectotherms and endotherms.
Main Methods:
- Literature review summarizing evidence on thermoregulatory control.
- Analysis of how environmental cues are transduced and integrated.
- Comparison of thermoregulatory responses across vertebrate classes.
Main Results:
- Pineal gland and melatonin mediate environmental cue transduction to the hypothalamus.
- The hypothalamus integrates signals and sets effector responses based on metabolic rate, cost, and benefit.
- Similarities in thermoregulatory responses challenge the notion of cold-blooded animals being solely ambient-temperature dependent.
Conclusions:
- Vertebrate thermoregulation is a multi-system, hierarchically integrated process.
- There are no fundamental differences between ectotherms and endotherms in thermoregulation.
- Differences lie in the degree of homeostatic control achieved.
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