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Related Concept Videos

Phases of Wound Repair01:28

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...
Healing II: Complications01:24

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...
Factors Affecting the Risk of Infection01:26

Factors Affecting the Risk of Infection

The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin create...
Inflammatory Response II: Inflammatory Exudate and Tissue Repair01:24

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 I: Introduction01:11

Healing I: Introduction

Healing is the physiological process by which the body restores the integrity and function of damaged tissues following injury. It involves a coordinated interplay of cellular proliferation, extracellular matrix remodeling, and growth factor signaling. The extent and nature of the tissue damage determine whether healing occurs by resolution, regeneration, or replacement.ResolutionResolution represents the most complete form of healing, occurring when the injury is minimal and tissue...
Overview of Regeneration and Repair01:19

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...

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Related Experiment Video

Updated: Jun 16, 2026

Assessment of Acute Wound Healing using the Dorsal Subcutaneous Polyvinyl Alcohol Sponge Implantation and Excisional Tail Skin Wound Models.
09:06

Assessment of Acute Wound Healing using the Dorsal Subcutaneous Polyvinyl Alcohol Sponge Implantation and Excisional Tail Skin Wound Models.

Published on: March 25, 2020

Factors affecting wound healing.

S Guo1, L A Dipietro

  • 1Center for Wound Healing and Tissue Regeneration, Department of Periodontics, College of Dentistry (MC 859), University of Illinois at Chicago, 801 S. Paulina Ave., Chicago, IL 60612, USA.

Journal of Dental Research
|February 9, 2010
PubMed
Summary
This summary is machine-generated.

Wound healing involves four phases, but many factors like infection, diabetes, and smoking can impair this process. Understanding these influences may lead to better treatments for healing complications.

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Last Updated: Jun 16, 2026

Assessment of Acute Wound Healing using the Dorsal Subcutaneous Polyvinyl Alcohol Sponge Implantation and Excisional Tail Skin Wound Models.
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Area of Science:

  • Biological processes
  • Regenerative medicine
  • Dermatology

Background:

  • Wound healing is a complex biological process essential for tissue repair.
  • It involves four distinct, sequential phases: hemostasis, inflammation, proliferation, and remodeling.
  • Disruptions in these phases can lead to impaired or delayed wound healing.

Purpose of the Study:

  • To review recent literature on factors affecting cutaneous wound healing.
  • To explore the cellular and molecular mechanisms underlying these effects.
  • To identify potential therapeutic targets for improving wound repair.

Main Methods:

  • Literature review of recent scientific publications.
  • Analysis of factors impacting the four phases of wound healing.
  • Examination of cellular and molecular mechanisms involved in impaired healing.

Main Results:

  • Identified key factors influencing wound healing: oxygenation, infection, age, hormones, stress, diabetes, obesity, medications, alcoholism, smoking, and nutrition.
  • Highlighted the impact of these factors on the sequential phases of healing.
  • Underscored the role of various cellular and molecular pathways in modulating the healing process.

Conclusions:

  • Numerous systemic and external factors significantly impact cutaneous wound healing.
  • A comprehensive understanding of these factors is crucial for developing effective therapeutic strategies.
  • Targeting these modulators may resolve impaired wound healing and enhance recovery.