Intestinal Tissue Preparation
Intestinal Tissue Preparation - Related Videos
07:42
Improved Swiss-rolling Technique for Intestinal Tissue Preparation for Immunohistochemical and Immunofluorescent Analyses
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Cited by 166 •
2016
Accurate identification and location of epithelial cells along the intestinal mucosal lining are essential to define different cell lineages. Proper imaging of intestinal tissues is crucial for identification of protein expression patterns with maximum resolution. This study aims to delineate the optimal methods and conditions for processing mouse intestinal tissues.
08:45
Tissue Engineering of the Intestine in a Murine Model
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Cited by 29 •
2012
This article and the accompanying video present our protocol for generating tissue-engineered intestine in the mouse, using an organoid units-on-scaffold approach.
12:00
Spatiotemporal Mapping of Motility in Ex Vivo Preparations of the Intestines
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Cited by 26 •
2016
Recently available video recording and spatiotemporal mapping (STmap) techniques make it possible to visualize and quantify both propagating and mixing patterns of intestinal motility. The goal of this protocol is to explain the generation and analysis of STmaps using the GastroIntestinal Motility Monitoring (GIMM) system.
04:32
Whole Mount Preparation of Mouse Intestine: Using a Simple Gut-incising Device to Prepare Whole Mount
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2023
In this video, we demonstrate whole mount preparation of the mouse intestine using a simple gut-incising device. The resulting mounts are of superior and uniform quality and can be used for histological analyses.
05:49
A Simple Device to Rapidly Prepare Whole Mounts of the Mouse Intestine
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Cited by 10 •
2015
The use of a simple device to cut and ‘roll’ mouse intestines to rapidly prepare whole mount preparations is described.
FAQs
Fixation stabilizes cellular structures before the specimen undergoes further processing. This preservation step helps maintain the tissue features needed for microscopic examination, including the distinction between mucosa, glands, connective tissue, and abnormal cellular changes. Consistent fixation therefore supports clearer histopathologic interpretation and reduces variation between intestinal samples examined in clinical or experimental studies.
Dehydration and embedding prepare the specimen for producing thin, usable sections. After dehydration, the tissue is placed in a supporting medium that gives it sufficient stability for sectioning. This transition is important because intact, evenly prepared slices allow microscopic evaluation of tissue architecture and cellular changes rather than fragmented or poorly supported material.
Staining makes important tissue features more readily visible during microscopic examination. It helps reveal structures such as the mucosa, glands, and connective tissue, while also highlighting inflammatory or neoplastic changes. The resulting visual contrast supports evaluation in routine histopathology and improves the information available for medical analysis of intestinal disease.
Consistency links every preparation stage, from trimming and fixation through embedding, sectioning, and staining. When samples receive comparable handling, their tissue quality and microscopic appearance become more reproducible. This improves diagnostic interpretation and allows clinical or experimental studies to compare intestinal specimens with greater confidence, particularly when assessing structural or cellular changes.
Prepared intestinal sections can show both normal tissue architecture and cellular alterations associated with disease. In medicine, this supports investigation of infection, inflammation, malabsorption, and cancer. Examination may focus on the mucosa, glands, connective tissue, or abnormal changes, providing microscopic evidence that contributes to histopathologic assessment and disease-focused research.
The workflow produces sections suitable for routine histopathology and immunohistochemistry, while also supporting experimental research on intestinal disease. Its value extends beyond obtaining a microscopic image: properly handled tissue preserves interpretable architecture and cellular features, enabling more consistent analysis across samples. These outcomes are especially relevant when studies examine inflammatory, infectious, malabsorptive, or neoplastic changes.