Gut Innervation
Gut Innervation - Related Videos
09:43
Functional and Morphological Assessment of Diaphragm Innervation by Phrenic Motor Neurons
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Cited by 16 •
2015
Compound muscle action potential recording quantitatively assesses functional diaphragm innervation by phrenic motor neurons. Whole-mount diaphragm immunohistochemistry assesses morphological innervation at individual neuromuscular junctions. The goal of this protocol is to demonstrate how these two powerful methodologies can be used in various rodent models of spinal cord disease.
07:08
A Method to Target and Isolate Airway-innervating Sensory Neurons in Mice
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Cited by 9 •
2016
Organ specific sensory neurons are difficult to identify. Fast Blue tracing is used to identify nodose neurons innervating the airways for cell sorting. Sorted nodose neurons are used to extract high quality ribonucleic acid (RNA) for sequencing. Using this protocol, gene expression of airway specific neurons is determined.
15:27
Extracting DNA from the Gut Microbes of the Termite (Zootermopsis Angusticollis) and Visualizing Gut Microbes
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Cited by 18 •
2007
This video illustrates the technique for extracting DNA from the species of microbes resident in the termite hindgut. The preparation of a wet mount slide, which is useful for visualizing the gut microbial community is also illustrated, and a tour through the species-rich gut environment is given.
07:23
Innervation of Human Intestinal Organoids
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Cited by 1 •
2025
Human intestinal organoids must be innervated to better recapitulate the structure and function of the native human intestine. Here, we present one method for incorporating an enteric nervous system into these constructs.
07:23
Using a Whole-mount Immunohistochemical Method to Study the Innervation of the Biliary Tract in Suncus murinus
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Cited by 2 •
2017
A whole-mount immunohistochemical approach, to visualize neurofilament protein expression in the extrahepatic biliary tract in Suncus murinus. is presented here. This protocol can be used to analyze the innervation of all visceral organs in S. murinus or other species.
FAQs
Enteric neurons organize local control within the gut wall by coordinating smooth-muscle contraction and relaxation with secretion and blood flow. Because these activities are linked within local circuits, the digestive tract can regulate several components of gastrointestinal function together rather than treating movement, glandular activity, and circulation as isolated processes.
Sympathetic and parasympathetic pathways modulate the activity generated within the gut rather than replacing local enteric control. Their influence provides communication between gastrointestinal tissues and the broader nervous system, allowing digestive functions to be adjusted in relation to signals from outside the gut. This distinction helps explain why gut regulation has both local and extrinsic components.
Vagal and spinal sensory pathways convey information about gut contents and the current state of the digestive tract to the brain. These signals provide a route for visceral information to enter central nervous system processing, linking conditions within the gut to brain–gut communication. Their involvement is important for understanding how digestive activity can be sensed beyond the gut wall.
The distinction clarifies how gastrointestinal function is regulated at multiple levels. Enteric circuits organize activity within the gut wall, while sympathetic, parasympathetic, and sensory pathways connect or modulate that activity in relation to the central nervous system. Considering these levels together gives a more complete framework for interpreting digestion, visceral sensation, and brain–gut communication.
Research on gut innervation can reveal how neural pathways coordinate smooth-muscle behavior, secretion, blood flow, and the transmission of visceral information. It therefore connects cellular and circuit-level regulation with larger physiological processes such as digestion and brain–gut communication. This information also helps researchers examine how altered neural regulation may contribute to gastrointestinal dysfunction.
Gut innervation provides a framework for investigating disorders in which gastrointestinal function or sensation is disrupted. The topic is relevant to irritable bowel syndrome, inflammatory disease, and motility disorders because neural control influences movement, secretion, blood flow, and communication with the brain. Studying these pathways can help relate clinical symptoms to changes in gut regulation and signaling.