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Related Concept Videos

Thermosensation01:43

Thermosensation

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...
Temperature Measurement Sites01:14

Temperature Measurement Sites

A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
Assessing Body Temperature - Temporal Artery01:19

Assessing Body Temperature - Temporal Artery

Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.  
Step 3: Assess the patient's forehead...
Assessing Body Temperature - Oral01:14

Assessing Body Temperature - Oral

Here are the steps to accurately measure oral temperature using an electronic thermometer:
Step 1:
Start by practicing proper hand hygiene to prevent the spread of microorganisms.
Step 2:
Take the thermometer out of the charging unit, switch it on, and wait for the ready sign.
Step 3:
Gently slide the probe cover until a click is heard. This simple action prevents cross-contamination and ensures the correct placement of the probe cover.
Step 4:
Instruct the patient to open their mouth and place...
Assessing Body Temperature - Tympanic membrane01:14

Assessing Body Temperature - Tympanic membrane

Assessing tympanic membrane temperature involves using a tympanic membrane thermometer (TMT). Here is a step-by-step guide:
Step 1: Begin by practicing good hand hygiene to prevent the transmission of microorganisms.
Step 2: Turn on the thermometer and wait until the ready sign appears on the screen to ensure accurate measurement.
Step 3: Slide the probe cover in place to prevent cross-contamination.
Step 4: Instruct the patient to tilt their head to the side for comfort and check for cerumen...
Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

Body temperature can be assessed using various devices and measured in Celsius or Fahrenheit.
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...

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Related Experiment Video

Updated: May 12, 2026

Method for Simultaneous fMRI/EEG Data Collection during a Focused Attention Suggestion for Differential Thermal Sensation
06:33

Method for Simultaneous fMRI/EEG Data Collection during a Focused Attention Suggestion for Differential Thermal Sensation

Published on: January 5, 2014

Sensing temperature.

Piali Sengupta1, Paul Garrity

  • 1Department of Biology and National Center for Behavioral Genomics, Brandeis University, Waltham, MA 02454, USA. sengupta@brandeis.edu

Current Biology : CB
|April 27, 2013
PubMed
Summary
This summary is machine-generated.

Temperature, the measure of atomic motion, profoundly impacts cell physiology by altering biomolecular structure and chemical reaction rates. Organisms have evolved complex systems to sense and respond to temperature fluctuations, enabling survival and thriving in diverse thermal environments.

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Area of Science:

  • Biophysics
  • Cell Biology
  • Biochemistry

Background:

  • Temperature is a fundamental physical variable representing atomic and molecular motion.
  • Temperature variations significantly influence the physiological processes within living cells.
  • Biomolecules like nucleic acids and proteins undergo conformational changes affecting their function due to temperature shifts.

Purpose of the Study:

  • To highlight the critical role of temperature in cellular physiology.
  • To emphasize the evolutionary adaptations of organisms in response to thermal variations.
  • To underscore the importance of temperature sensing and response mechanisms for life's persistence.

Main Methods:

  • This study is a review and synthesis of existing knowledge.
  • It examines the physical basis of temperature and its effects on matter.
  • It discusses the biological implications of temperature on cellular functions and biomolecular structures.

Main Results:

  • Temperature directly affects the rate and type of chemical reactions in cells.
  • Thermal fluctuations alter the configuration of key biomolecules, impacting their biological activity.
  • Organisms possess sophisticated systems for detecting and reacting to environmental temperature changes.

Conclusions:

  • Life's ability to persist and thrive is contingent on effective temperature regulation and response mechanisms.
  • Understanding temperature's role is crucial for comprehending cellular function and organismal adaptation.
  • Evolutionary success is linked to the development of sophisticated thermoregulatory strategies.