OVERVIEW OF WOUND HEALING
(TISSUE REPAIR)
Tissue repair
(healing):
Restoration of tissue
architecture and
function after an
injury
Occurs by two types of
reactions
❶Regeneration
❷ Scar formation
❶ REPAIR BY REGENERATION
❷ REPAIR BY SCAR FORMATION
Proliferative Capacities of Tissues
①Labile (continuously dividing) tissues
②Stable tissues
③Permanent tissues
Growth Factors
Extracellular Matrix (ECM)
Two form : ❶Interstitial matrix: ❷Basement
membrane:
① Angiogenesis
②Migration & proliferation of fibroblasts
③Deposition of extracellular matrix