Wound healing
Videos
Wound healing refers to a living organism's replacement of destroyed or damaged tissue by newly produced tissue.
Healing progression of a deep laceration wound on the shin with sutures over a five-week period
A fluorescence micrograph of cells in Drosophila larvae healing after a puncture wound. The arrow points to cells that have fused to form syncytia, and the arrowheads point to cells that are oriented to face the wound.
A scab covering a healing wound
Hand Abrasion 32 minutes after injury
Granulation tissue
Videos
Granulation tissue is new connective tissue and microscopic blood vessels that form on the surfaces of a wound during the healing process. Granulation tissue typically grows from the base of a wound a
Wound healing
…migration and division of cells during the proliferative phase. Proliferation (growth of new tissue): In this phase, angiogenesis, collagen deposition, granulation tissue formation, epithelialization, and wound contraction occur. In angiogenesis, vascular endothelial cells form new blood vessels. In fibroplasia and…
Example of hypergranulating tissue from a cut on a finger.
Histopathology of granulation tissue at 11 days after injury, showing fibroblasts, hemorrhage and lymphocytes.