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Enteric Nervous System: Regulation of GI Motor Activity01:11

Enteric Nervous System: Regulation of GI Motor Activity

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The Enteric Nervous System (ENS) plays a pivotal role in regulating gastrointestinal or GI motor activity. This complex network of nerves, deeply embedded within the gut wall, responds to changes in the gut environment and receives input from both the autonomic nervous system and the central nervous system. By doing so, the ENS operates various programs tailored to the body's nutritional status and needs.
During periods of fasting, the ENS initiates the migrating myoelectric complex, a...
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Nerve Supply of the GI Tract01:27

Nerve Supply of the GI Tract

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The neuronal supply to the gastrointestinal (GI) tract is essential for regulating various functions, including digestion, absorption, and movement of food. This intricate network of nerves is known as the enteric nervous system (ENS), often referred to as the "second brain" of the body.
The enteric nervous system consists of two major plexuses: the myenteric plexus (Auerbach's plexus) and the submucosal plexus (Meissner's plexus). These plexuses are located within the layers of...
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Neural Regulation01:37

Neural Regulation

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Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
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Physiology of Enteric Nervous System and Gut Health01:05

Physiology of Enteric Nervous System and Gut Health

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The gastrointestinal tract, responsible for the digestion and absorption of nutrients, is safeguarded by the intestinal barrier, which consists of secretory, physical, and immune components. At the forefront is the secretory barrier, composed of essential elements such as mucus, gut microbiota, and defense proteins. They collaborate to break down food particles, facilitate nutrient absorption, and maintain optimal gut health. These secretory components ensure the smooth functioning of the...
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Related Experiment Video

Updated: Mar 18, 2026

Spatiotemporal Mapping of Motility in Ex Vivo Preparations of the Intestines
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Spatiotemporal Mapping of Motility in Ex Vivo Preparations of the Intestines

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Spatio-Temporal Mapping and the Enteric Nervous System.

Grant W Hennig1

  • 1Department of Physiology and Cell Biology, School of Medicine, University of Nevada, Reno, NV, 89511, USA. grant@medicine.nevada.edu.

Advances in Experimental Medicine and Biology
|July 6, 2016
PubMed
Summary
This summary is machine-generated.

Investigating the enteric nervous system (ENS) reveals complex gut behaviors. Spatio-temporal maps (ST Maps) are crucial tools for analyzing these intricate gastrointestinal movements and neural network outputs.

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Area of Science:

  • Neuroscience
  • Gastroenterology
  • Physiology

Background:

  • The enteric nervous system (ENS) is a complex neural network within the gut.
  • Understanding simple reflexes and complex behaviors like MMCs in the gut remains challenging.
  • Other control networks, such as interstitial cells of Cajal (ICC), interact with and modify ENS activity.

Purpose of the Study:

  • To provide a perspective on the development and utility of spatio-temporal maps (ST Maps) in gastrointestinal research.
  • To highlight ST Maps as a tool for analyzing the complexity of gut movements.
  • To discuss the unique methods developed for studying the ENS.

Main Methods:

  • Development of spatio-temporal mapping techniques tailored for the unique characteristics of the gastrointestinal tract.
  • Utilizing methods adapted from other neural systems (e.g., brain, heart) for ENS study.
  • Analysis of sensory, interneuronal, and motor outputs within the ENS.

Main Results:

  • ST Maps have emerged as a valuable tool in GI research.
  • These maps aid in describing and analyzing the complexity of gastrointestinal movements.
  • The study of ENS, though challenging, offers unique insights into neural network function.

Conclusions:

  • Spatio-temporal maps are essential for understanding the intricate behaviors of the gut.
  • Continued research and methodological development are vital for advancing ENS and GI motility studies.
  • The ENS presents a unique model for studying neural networks in situ.