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Phases of Wound Repair

Phases of Wound Repair

Following injury, the integrity of the injured tissues must be reestablished. For example, in skin tissue, wound repair involves coordination among resident skin cells, blood mononuclear cells, extracellular matrix, growth factors, and cytokines to complete the healing cascade.
Formation of Blood Clot
In case of deep injuries, trauma to blood vessels results in blood loss. In the meantime, phospholipids released from the ruptured endothelial cellular membrane are converted into arachidonic...

Inflammatory Response II: Inflammatory Exudate and Tissue Repair

Inflammatory Response II: Inflammatory Exudate and Tissue Repair

The immune system's inflammatory response destroys the invading pathogen, permitting the tissue to heal. The changes during the cellular and vascular stages allow exudate formation at the site of inflammation. The inflammatory exudate released from the wound has high protein content and a specific gravity above 1.020.
The typical wound exudate is odorless, transparent, straw-colored, thin, and watery. Exudate, however, can differ depending on the state of wound healing. Likewise, the exudate's...

Healing II: Complications

Healing II: Complications

Complications during healing arise when tissue repair is altered by local or systemic factors. These changes involve abnormal collagen deposition, altered biomechanics, and reduced vascular supply, impairing restoration of normal structure and function.Loss of FunctionScar tissue differs significantly from the original tissue it replaces. In the skin, fibrosis lacks adnexal structures such as hair follicles, sebaceous glands, and sweat glands. Their absence reduces tactile sensitivity, impairs...

Burn Injuries

Burn Injuries

Burn injuries occur when the skin and underlying tissues are damaged due to exposure to heat, electricity, chemicals, radiation, or friction. They can vary in severity, from minor superficial burns to severe deep burns that can be life-threatening.
The damage results in the death of skin cells, which can lead to a massive loss of fluid. Dehydration, electrolyte imbalance, and renal and circulatory failure follow, which can be fatal. Burn patients are treated with intravenous fluids to offset...

Overview of Regeneration and Repair

Overview of Regeneration and Repair

Regeneration and repair processes are critical in healing damages caused by injury, disease, and aging. In regeneration, the damaged tissue is entirely replaced with new growth that restores the original architecture and function. In contrast, tissue repair usually results in a fixed tissue architecture involving scar formation. Scars generally do not reestablish tissue function and may also exhibit structural abnormalities at the injury site.
Regeneration
All animals have varying degrees of...

Tissue Injury: Inflammation and Repair

Tissue Injury: Inflammation and Repair

Following injury, the integrity of the injured tissues must be reestablished. For example, in skin tissue, wound repair involves coordination among resident skin cells, blood mononuclear cells, extracellular matrix, growth factors, and cytokines to complete the healing cascade.
Formation of Blood Clot
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Related Experiment Video

Updated: Jun 21, 2026

Generation of a Three-dimensional Full Thickness Skin Equivalent and Automated Wounding

Generation of a Three-dimensional Full Thickness Skin Equivalent and Automated Wounding

Published on: February 26, 2015

Wounds - from physiology to wound dressing.

Peter Kujath¹, Angela Michelsen

¹Klinik für Chirurgie, Campus Lübeck, Universitätsklinikum Schleswig-Holstein.

Deutsches Arzteblatt International

|July 25, 2009

Summary

Optimal wound management focuses on rapid closure and good scarring. While basic care is simple, chronic wounds require careful attention to moisture and phase-specific treatment, despite limited evidence for advanced dressings.

Keywords:

chronic wounds wound care wound dressing wound healing

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Last Updated: Jun 21, 2026

Generation of a Three-dimensional Full Thickness Skin Equivalent and Automated Wounding

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Area of Science:

Wound healing research
Dermatology
Regenerative medicine

Background:

Optimal wound management is an active research area.
Advances in understanding wound healing and disinfection inform new care approaches.

Purpose of the Study:

To review current approaches to wound management.
To highlight challenges in chronic wound care.

Main Methods:

Selective literature review.

Main Results:

Key goals include rapid wound closure and satisfactory scarring.
Chronic wounds, especially in elderly or comorbid patients, present challenges.
Maintaining adequate wound moisture is crucial for physiological healing.
Dressings should be selected based on wound phase, with limited evidence for advanced types.

Conclusions:

Molecular and cell biology advancements enhance understanding of wound healing.
New insights are improving wound care strategies and dressing development.