Ileum
Ileum - Related Videos
04:35
Murine Ileal Resection Model: Studying Ileectomy-Induced Bile Metabolism in Murine Model
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2023
This video describes the detailed protocol for intestinal resection in a murine model. This technique provides insights into ileectomy-induced bile malabsorption, overaccumulation, and toxicity in the mouse intestine.
06:55
Ileectomy-induced Bile Overaccumulation in Mouse Intestine
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Cited by 4 •
2017
Small intestine-dependent bile acid reabsorption and feedback inhibition of hepatic bile acid synthesis is important for systemic homeostasis and health. In this study, we describe a mouse model for ileal resection to evaluate ileectomy-induced bile malabsorption, overaccumulation, and toxicity in mouse intestine.
04:58
Mouse Ileal Loop Model: A Surgical Model to Study Intestinal Permeability in the Mouse
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2025
This video demonstrates the generation of an ileal loop model to study intestinal permeability in a mouse model. This method provides a live model to understand the epithelial barrier function and consequent immune response.
17:15
Catheterization of Intestinal Loops in Ruminants
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Cited by 4 •
2009
We describe a novel surgical method for catheterizing 'intestinal loops' within the ileum of sheep. Once animals have recovered from surgery and have cleared antibiotics and analgesics, multiple treatments can be deposited directly in loops via the catheters.
10:34
An In-vitro Preparation of Isolated Enteric Neurons and Glia from the Myenteric Plexus of the Adult Mouse
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Cited by 68 •
2013
We demonstrate a cell culture protocol for the direct study of neuronal and glial components of the enteric nervous system. A neuron/glia mixed culture on coverslips is prepared from the myenteric plexus of adult mouse providing the ability to examine individual neuron and glia function by electrophysiology, immunohistochemical, etc.
FAQs
Transporters in the ileal lining move selected substances from digested intestinal contents into the body. Their specificity allows the region to recover bile salts and absorb vitamin B12 when it is bound to intrinsic factor, alongside other nutrients. Studying these transport processes helps explain how absorption is completed and why impaired uptake can produce malabsorption.
Folds, villi, and microvilli enlarge the mucosal contact area exposed to digested contents. This expanded interface gives specialized transporters more opportunity to encounter and absorb available substances. The arrangement therefore links physical structure with absorptive efficiency, making surface organization an important principle when investigating nutrient uptake in the ileum.
Peristaltic contractions propel intestinal material toward the large intestine, coordinating movement with the absorptive activity of the mucosa. Peyer’s patches provide a separate defensive function by monitoring intestinal microbes and supporting immune protection. Together, these processes show that ileal activity depends on both controlled transport of contents and surveillance of the intestinal environment.
Absorption and immune monitoring occur within the same intestinal region but address different challenges. The mucosal surface transfers nutrients, bile salts, and vitamin B12 into the body, while Peyer’s patches monitor microbes and support defense. This combination makes the ileum useful for studying how epithelial uptake and immune protection operate alongside one another.
Ileal studies can connect reduced absorption with specific functions that normally occur in this region, including uptake of nutrients, bile salts, and vitamin B12 bound to intrinsic factor. Examining these relationships helps researchers interpret malabsorption as a failure of intestinal uptake rather than simply a general digestive problem, while identifying which absorptive roles may be affected.
The ileum is relevant to inflammatory bowel disease research because it combines an absorptive mucosal surface with Peyer’s patches that monitor intestinal microbes and support immune defense. Investigating this region can therefore relate altered intestinal immunity to disrupted absorption. The resulting biological context helps explain why inflammation may affect both protective responses and digestive function.
Ileal biology provides two connected points for understanding obstruction: peristaltic contractions normally move intestinal contents forward, and the intestinal passage must remain available for that movement. Studying these functions helps researchers relate impaired forward transport to the broader consequences of blockage. It also distinguishes movement problems from defects primarily involving absorption or immune surveillance.