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Related Concept Videos

Regulation of Food Intake01:30

Regulation of Food Intake

Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
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Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the atmosphere, the...
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The human body gets energy from the three macronutrients: carbohydrates, proteins, and fats. Energy is released when the chemical bonds in the organic compounds present in the food are broken down. The energy content of food is measured in kilocalories (kcal), defined as the amount of heat required to raise the temperature of one kilogram of water by one degree Celsius. This value is determined by measuring the temperature change of the water surrounding a calorimeter after the complete...
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The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in adipocytes...
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Maintaining homeostasis requires that the body continuously maintain its internal conditions. Each physiological condition has a particular set point, from body temperature to blood pressure to levels of certain nutrients. A set point is the physiological value around which the normal range fluctuates. A normal range is a restricted set of values that is optimally healthful and stable. For example, the set point for normal human body temperature is approximately 37°C (98.6°F). Physiological...

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Related Experiment Video

Updated: May 16, 2026

Behavioral Disturbances: An Innovative Approach to Monitor the Modulatory Effects of a Nutraceutical Diet
07:05

Behavioral Disturbances: An Innovative Approach to Monitor the Modulatory Effects of a Nutraceutical Diet

Published on: January 3, 2017

Let the sensor fit the diet.

Barry E Levin1

  • 1Neurology Service, Veterans Administration Medical Center, East Orange, NJ 07019, USA. levin@umdnj.edu

Cell Metabolism
|December 11, 2012
PubMed
Summary
This summary is machine-generated.

Metabolic sensing neurons monitor nutrient availability to maintain energy homeostasis. Miyamoto et al. identified fly neurons critical for fructose detection and ingestive behavior.

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Area of Science:

  • Neuroscience
  • Metabolic regulation
  • Animal behavior

Background:

  • Metabolic sensing neurons are crucial for maintaining energy homeostasis across species.
  • These neurons allow organisms to monitor nutrient availability.

Discussion:

  • Miyamoto et al. (2012) identified specific fly neurons sensitive to fructose.
  • These neurons significantly influence feeding behaviors when simple sugars are consumed.

Key Insights:

  • Discovery of fructose-tuned neurons in flies.
  • Demonstration of these neurons' role in ingestive behavior.
  • Highlighting the conserved nature of metabolic sensing mechanisms.

Outlook:

  • Further research into the molecular mechanisms of fructose sensing.
  • Exploring the broader implications for understanding appetite regulation.
  • Investigating similar mechanisms in other organisms.