Journal of Dermatology Research and Skin Care

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Mini Review - Journal of Dermatology Research and Skin Care (2023) Volume 7, Issue 4

A brief note on stages of wound healing.

Maria Witte*

Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, USA

*Corresponding Author:
Maria Witte
Department of Dermatology and Cutaneous Surgery
University of Miami Miller School of Medicine
Miami, USA

Received:22-Jul-2023,Manuscript No. AADRSC-23-109826; Editor assigned: 24-Jul-2023, PreQC No. AADRSC-23-109826(PQ); Reviewed:08-Aug-2023, QC No. AADRSC-23-109826; Revised:13-Aug-2023, Manuscript No. AADRSC-23-109826(R); Published:20-Aug-2023, DOI: 10.35841/aadrsc- 7.4.163

Citation: Witte M. A brief note on stages of wound healing. Dermatol Res Skin Care. 2023; 7(4):163

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Wound healing is a complex and intricate biological process that the body undergoes to repair damaged tissue and restore its structural and functional integrity. This article provides a comprehensive overview of the four stages of wound healing, hemostasis, inflammation, proliferation, and remodeling. Each stage involves specific cellular and biochemical activities that contribute to the successful closure and recovery of wounds. Additionally, factors influencing wound healing, such as nutrition, blood supply, infection, chronic diseases, medications, and age, are discussed. Understanding the stages of wound healing and their underlying mechanisms is crucial for promoting optimal recovery and minimizing complications.


Wound healing, Haemostasis, Chronic diseases, Corticosteroids, Immunosuppressant.


Wound healing is a complex and intricate process that the human body undergoes to repair damaged tissue and restore its structural and functional integrity. From minor cuts to major surgical incisions, the body's remarkable ability to heal itself is a testament to the intricacies of biological mechanisms at play. This comprehensive guide delves into the different stages of wound healing, shedding light on the chronological sequence of events, cellular players, and factors influencing the process[1].

Stages of Wound Healing

Wound healing is typically categorized into four distinct yet interconnected stages: hemostasis, inflammation, proliferation, and remodeling. Each stage is characterized by specific cellular and biochemical activities, all of which contribute to the successful closure and recovery of the wound.

Hemostasis: The first stage, hemostasis, focuses on stopping bleeding and maintaining the body's homeostasis. Immediately after injury, blood vessels constrict to reduce blood flow, and platelets aggregate at the site of injury to form a temporary plug. The coagulation cascade is activated, leading to the formation of a fibrin clot that further reinforces the platelet plug. This process not only prevents excessive blood loss but also provides a scaffold for subsequent repair processes[2].

Inflammation: Inflammation is a crucial stage in wound healing, aimed at eliminating pathogens, debris, and damaged cells from the wound site. Immune cells, primarily neutrophils and macrophages, infiltrate the wound area. Neutrophils arrive early to engulf and digest bacteria and other foreign particles. Macrophages follow, releasing growth factors, cytokines, and other signaling molecules that orchestrate subsequent stages of healing. While inflammation is essential for initiating repair, an overly prolonged or intense inflammatory response can impede healing and lead to chronic wounds[3].

Proliferation: During the proliferation stage, new tissue is generated to replace the damaged or lost tissue. Fibroblasts, specialized cells responsible for producing collagen and extracellular matrix components, play a central role. Collagen provides structural support and strength to the healing wound. As fibroblasts proliferate, they create granulation tissue, a richly vascularized tissue that fills the wound gap. Simultaneously, new blood vessels, a process known as angiogenesis, form to supply oxygen and nutrients to the healing tissue. Epithelial cells at the wound edges migrate to cover the wound surface, sealing it from external threats.

Remodeling: The final stage of wound healing, remodeling, focuses on refining and optimizing the newly formed tissue. During this phase, the collagen matrix undergoes remodeling, with excess collagen being broken down and replaced by stronger, more organized collagen fibers. This helps enhance the wound's tensile strength and flexibility. The remodeling process can continue for several months or even years, gradually improving the appearance and function of the healed tissue[4].

Factors Influencing Wound Healing

Several factors influence the progression and outcome of wound healing, and understanding these elements is crucial for promoting optimal recovery.

Nutrition: Adequate intake of nutrients, including proteins, vitamins (e.g., vitamin C), and minerals (e.g., zinc), is essential for cell growth, collagen synthesis, and overall wound healing. Malnutrition can significantly impair the healing process.

Blood supply: Proper blood circulation is critical for delivering oxygen, nutrients, and immune cells to the wound site. Conditions like diabetes or peripheral artery disease can compromise blood flow, leading to delayed healing.

Infection: Infections can derail wound healing by prolonging the inflammatory phase and hindering cellular activities. Timely and effective management of infections is crucial for successful healing.

Chronic diseases: Chronic conditions such as diabetes, obesity, and autoimmune disorders can impair various aspects of wound healing, making patients with these conditions more susceptible to complications.

Medications: Certain medications, such as corticosteroids and immunosuppressants, can interfere with the immune response and slow down wound healing.

Age: Advanced age can lead to decreased cell turnover, reduced collagen production, and slower healing. Elderly individuals may require additional support and monitoring during the healing process[5].


The stages of wound healing represent a dynamic interplay of cellular and biochemical processes that culminate in the successful closure and restoration of damaged tissue. The intricacies of each stage, along with the factors that influence wound healing, is essential for healthcare professionals and individuals alike. By promoting a healthy and conducive environment for wound healing, we can enhance recovery, minimize complications, and improve the overall quality of life for those undergoing the healing journey.


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