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Body Temperature

Body Temperature

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...

Increased Body Temperature

Increased Body Temperature

A body temperature above 38°C (100.4 °F) is known as fever or pyrexia, and a person with fever is termed 'febrile.' Typically, the hypothalamus, a part of the brain that acts as the body's thermostat, regulates body temperature through a thermoregulatory setpoint. It receives signals from cold and warm thermal receptors throughout the body and adjusts the body's temperature accordingly. Fever occurs when this hypothalamic setpoint is altered, usually in response to an infection or illness.

Methods of reducing fever

Methods of reducing fever

The signs and symptoms of fever include hot and dry skin, flushed face, thirst, muscle aches, anorexia, headache, tachycardia, tachypnea, and fatigue. Elevated body temperature is reduced using two methods: pharmacological and nonpharmacological. Proper identification and treatment of the root cause of a fever is of utmost importance.
Pharmacological Methods of Reducing Fever:

Decreased Body Temperature

Decreased Body Temperature

A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by sustained extreme cold exposure, and severe...

Homeostatic Imbalances in Body Temperature

Homeostatic Imbalances in Body Temperature

Hyperthermia occurs when the body's temperature becomes unusually high, often due to heat exposure, intense physical activity, or certain illnesses. This condition can create a dangerous cycle where elevated body temperature increases the metabolic rate, generating more heat and potentially leading to organ failure and brain damage. A severe form of hyperthermia, called heat stroke, can raise body temperature to life-threatening levels. Fever, on the other hand, is a controlled form of...

Diversity of Archaea IV

Diversity of Archaea IV

Hyperthermophilic archaea are a group of extremophiles thriving at temperatures above 80°C, often in hydrothermal vents and volcanic soils where conditions surpass the boiling point of water. At such temperatures, proteins, membranes, and DNA in most organisms degrade, but hyperthermophiles have evolved remarkable adaptations to maintain stability and function.Unique Cellular FeaturesHyperthermophilic membranes are composed of a monolayer of biphytanyl tetraether lipids, which resist thermal...

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Related Experiment Video

Updated: Jun 8, 2026

Protocol for Long Duration Whole Body Hyperthermia in Mice

Protocol for Long Duration Whole Body Hyperthermia in Mice

Published on: August 25, 2012

Advances in hyperthermia technology.

Xiaoyong Yang¹, Jianjun Du, Youjun Liu

¹Biomedical Engineering Center, Beijing, University of Technology, Beijing, China.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference

|February 7, 2007

Summary

This summary is machine-generated.

Hyperthermia uses high temperatures to damage and kill cancer cells with minimal harm to normal tissues. Further technological advancements are needed for easier and better-controlled clinical application of this cancer treatment.

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Last Updated: Jun 8, 2026

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In Vitro and In Vivo Delivery of Magnetic Nanoparticle Hyperthermia Using a Custom-Built Delivery System

In Vitro and In Vivo Delivery of Magnetic Nanoparticle Hyperthermia Using a Custom-Built Delivery System

Published on: July 2, 2020

Area of Science:

Oncology
Biomedical Engineering

Background:

Hyperthermia is a cancer treatment involving elevated temperatures.
High temperatures can selectively damage or destroy cancer cells.
Normal tissues typically experience minimal injury during hyperthermia treatment.

Purpose of the Study:

To review the current status of hyperthermia as a cancer treatment.
To highlight the need for technological improvements in hyperthermia application.

Main Methods:

Clinical application of hyperthermia involves three methods: local, regional, and whole-body.
Hyperthermia is currently under investigation in clinical trials.

Main Results:

Hyperthermia demonstrates potential in damaging and killing cancer cells.
The treatment generally spares normal tissues.

Conclusions:

Hyperthermia is a promising cancer therapy but not yet widely available.
Technological advancements are crucial for improved and controlled hyperthermia delivery.