Superficial Tissue Damage
Superficial Tissue Damage - Related Videos
04:36
Murine Superficial Lymph Node Surgery
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Cited by 10 •
2012
To follow the progression of an immune response over time within the same mouse, lymph nodes can be sequentially removed by surgery. Here, we describe how this technique can be performed.
11:30
Use of Frozen Tissue in the Comet Assay for the Evaluation of DNA Damage
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Cited by 8 •
2020
This protocol describes several procedures for preparing high quality frozen tissue samples at the time of necropsy for use in the comet assay to assess DNA damage: 1) minced tissue, 2) scraped epithelial cells from the gastrointestinal tract, and 3) cubed tissue samples, requiring homogenization using a tissue mincing device.
09:40
Ultrasound Assessment of Flow-Mediated Dilation of the Brachial and Superficial Femoral Arteries in Rats
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Cited by 11 •
2016
Non-invasive assessment of endothelial function in humans can be determined by the flow-mediated dilation technique. Although thousands of studies have used this technique, no study has performed this technique non-invasively in rats. The following article describes non-invasive measurement of flow-mediated dilation in the brachial and superficial femoral arteries of rats.
06:19
Comet Assay for DNA Damage Detection in Cells
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2025
The video demonstrates the comet assay for detecting DNA damage following exposure to harmful agents. Under alkaline conditions, the DNA unwinds and denatures, and upon electrophoresis, the undamaged and damaged DNA migrate differently in the agarose gel, forming a comet-shaped structure. The slowly migrating undamaged DNA forms the circular comet head, while the rapidly migrating damaged DNA fragments form the elongated comet tail.
12:01
The Superficial Inferior Epigastric Artery Fascia Flap for Nerve Reconstruction in Rabbits
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Cited by 1 •
2025
This protocol presents a step-by-step instruction for harvesting the superficial inferior epigastric artery fascia (SIEF) flap and wrapping it around the reconstructed peroneal nerve defect in rabbits. This surgical addition of vascularization to the tissue bed of nerve grafts is used to improve regeneration outcomes.
FAQs
Damaged cells release signaling molecules that start the inflammatory response. These signals promote increased blood flow to the affected area and help recruit immune cells, which participate in early protection and repair. This response explains why an injured surface may become painful or visibly inflamed and why monitoring the area matters during recovery.
Increased blood flow and immune-cell recruitment coordinate the body’s response to local injury. Blood-flow changes support the inflammatory environment, while recruited immune cells contribute to protection and tissue repair. The intensity and persistence of these responses can help indicate whether the injury is progressing normally or requires closer clinical attention.
Clinicians assess depth, extent, contamination, pain, and signs of infection rather than relying on appearance alone. These features help determine whether the injury remains limited to surface tissues or may involve more significant damage. Careful assessment is especially important when pain, contamination, or infection-related changes raise concern.
Basic care centers on appropriate wound cleaning, protection of the affected surface, symptom management, and continued monitoring. Cleaning addresses contamination, while protection helps preserve the damaged barrier during repair. The specific approach depends on the injury’s depth, extent, exposure type, and clinical features identified during assessment.
Contamination, pain, and possible infection are separate findings that can change how an injury is managed. Contamination increases the importance of cleaning, while pain contributes to symptom management and clinical assessment. New or worsening signs of infection require monitoring and may indicate that medical evaluation is appropriate rather than routine observation alone.
Medical evaluation becomes important when assessment suggests greater depth or extent, substantial contamination, concerning pain, or signs of infection. Thermal and chemical exposures also warrant attention because the cause can influence the injury’s features. Evaluation helps distinguish injuries suitable for basic protection and monitoring from those needing more specialized care.