Muscle Sectioning
Muscle Sectioning - Related Videos
03:30
Snap Freezing of Muscle Tissue for Sectioning: A Protocol to Obtain Ultrathin Sections of Rapidly Frozen Murine Muscle Tissue
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2023
This video describes the procedure for snap freezing muscle tissue and obtaining its thin sections. The technique can help study cancer-related cachexia in colon cancer mouse models.
07:28
Paraffin-Embedded and Frozen Sections of Drosophila Adult Muscles
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Cited by 42 •
2010
Identification of mechanisms underlying muscle damage is crucial. Here we present the histological technique for preparing paraffin-embedded and frozen sections of Drosophila thoracic muscles. This allows analysis of muscle morphology and localization of protein and other muscle cell components.
06:43
Optical Cross-Sectional Muscle Area Determination of Drosophila Melanogaster Adult Indirect Flight Muscles
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Cited by 6 •
2018
We report a method to quantify muscle area, which is an indirect method to determine muscle mass in Drosophila adults. We demonstrate the application of our methodology by analyzing the indirect flight muscles in a Drosophila model of Myotonic Dystrophy disease.
05:57
A Rapid Automated Protocol for Muscle Fiber Population Analysis in Rat Muscle Cross Sections Using Myosin Heavy Chain Immunohistochemistry
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Cited by 13 •
2017
Here, we present a protocol for rapid muscle fiber analyses, which allows improved staining quality, and thereby automatic acquisition and quantification of fiber populations using the freely available software ImageJ.
01:50
Cross-Sectional Research
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2020
In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...
FAQs
Fixation preserves the tissue’s structure, while embedding provides the support needed to handle it during cutting. Together, these steps help maintain cellular architecture as the specimen is prepared for thin sections. The choice between a microtome and a cryostat determines the sectioning route, after which the preserved tissue can be examined with stains or antibody-based labels.
Stains and antibody-based labels answer different observational needs. Stains can reveal general features such as nuclei and muscle fibers, whereas antibody-based labels can identify developmental markers. Using these readouts allows investigators to connect visible tissue organization with developmental status, including changes in differentiation or signaling activity, rather than relying on morphology alone.
Serial sections provide multiple views through a specimen rather than a single tissue plane. In developmental studies, this supports more complete comparisons of muscle organization and cellular morphology across the sample. When paired with staining or antibody labeling, the series can also help relate observed structures to developmental markers and changes in tissue growth or differentiation.
Researchers can compare sections from different developmental stages for differences in tissue organization, muscle-fiber appearance, nuclei, and marker-associated patterns. These observations help assess growth and differentiation and can be related to gene expression or signaling activity. The approach therefore links developmental timing with both cellular morphology and molecularly associated readouts.
A typical workflow begins by fixing the tissue, embedding it in a supportive medium, and cutting thin sections with a microtome or cryostat. The sections are then prepared for microscopy using stains or antibody-based labels. Researchers examine nuclei, fibers, and developmental markers, then compare organization or marker-associated patterns across specimens.
It is useful when investigators need to connect whole-tissue structure with cellular and molecular changes. Applications described for the technique include studying myogenesis, regeneration, growth and differentiation, and congenital muscle disorders. By examining tissue architecture alongside developmental markers, researchers can evaluate how morphology relates to gene expression or signaling activity.