Masson Trichrome
Masson Trichrome - Related Videos
04:14
Masson Goldner Trichrome Staining: A Technique to Visualize Collagen in Heart Sections for Cardiovascular Fibrosis Detection
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2025
This video demonstrates the differential staining of collagen fibers, nuclei, and cytoplasm in heart tissue to visualize fibrotic growth associated with cardiac pathologies.
11:44
Establishment of a Rat Model for Intrauterine Adhesions via Dual Injury: Curettage and Infection
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Cited by 1 •
2025
Intrauterine adhesions (IUAs), the most common pathological consequence of endometrial injury, severely impair reproductive function. Trauma and infection are widely recognized as key risk factors for IUA development. We have successfully established a reproducible rat model of IUAs by combining two critical injury methods: mechanical curettage and infectious induction with lipopolysaccharide.
09:44
Evaluating Therapeutic Interventions in the SHIP-deficient Mouse Model of Crohn Disease-like Ileitis and Fibrosis
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2025
This protocol demonstrates how the Src homology 2 domain-containing 5'-inositol phosphatase (SHIP)-deficient mouse model of Crohn disease (CD)-like ileal inflammation and fibrosis can be used to test novel therapeutics for CD.
09:45
Histological Quantification of Chronic Myocardial Infarct in Rats
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Cited by 14 •
2016
The post-mortem assessment of myocardial infarction (MI) in rodents is based on quantification of the infarct on stained heart sections. We describe an accurate method to quantify the infarct size using systematic sampling of harvested rat hearts from base to apex and image analyses of trichrome-stained histological sections.
06:08
Apical Resection Mouse Model to Study Early Mammalian Heart Regeneration
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Cited by 12 •
2016
A step-by-step video protocol of apical resection is demonstrated in this study. Apical resection is a recently highlighted surgical approach in mammalian heart regeneration research. This study may promote the application of apical resection as a standard methodology in research into the mechanism underlying heart regeneration.
FAQs
The staining sequence assigns different visual signals to major tissue components. Iron hematoxylin emphasizes cell nuclei, while acid fuchsin and aniline blue or light green provide contrasting coloration for cytoplasm, muscle, and collagen fibers. Because these dyes are applied sequentially, the resulting color separation helps observers relate collagen distribution to surrounding cellular architecture in a section.
Collagen distribution provides a structural readout of tissue remodeling. Patterns of collagen deposition can reveal where scarring or fibrosis has altered tissue organization. In medical specimens, this makes the stain useful not only for recognizing excess connective tissue, but also for relating that change to preserved or disrupted architecture and to broader structural changes within an organ.
Color contrast gives each major component a recognizable visual context within the same section. Nuclei, cytoplasm, muscle, and collagen fibers can be compared spatially rather than examined as undifferentiated tissue. This separation supports closer evaluation of tissue architecture and helps observers identify how connective tissue relates to neighboring cellular structures.
A typical sequence begins with iron hematoxylin, followed by acid fuchsin and then aniline blue or light green. The ordered application produces contrasting colors among nuclei, cytoplasm, muscle, and collagen fibers. This workflow prepares the section for visual assessment of connective-tissue distribution and structural relationships in a pathological or teaching specimen.
Masson trichrome is particularly informative in organ specimens where scarring or fibrosis affects structure, including the liver, heart, and kidneys. In these tissues, collagen highlighting helps investigators examine deposition within the broader architecture. The method can therefore support assessment of organ-specific structural changes in pathological material rather than limiting evaluation to isolated cellular features.
Stained sections provide a direct view of tissue architecture and collagen deposition that can be used alongside modern imaging or molecular findings. The histological pattern offers structural context for interpreting those other measurements. As a result, Masson trichrome can serve as a validation method when researchers need to relate molecular or imaging results to visible tissue changes.
Its contrasting colors make relationships among nuclei, muscle, cytoplasm, and collagen fibers easier to recognize in tissue sections. That visual clarity supports teaching histology and examining pathological specimens, while the same sections can be used to evaluate scarring, fibrosis, and architectural changes. The method remains useful across both instructional and investigative settings.