<prompt> A clean incised wound heals by -Primary intentionSecondary intentionExcessive scarringNone of the above  <response>: The synopsis of forensic medicine toxicology . ; Dr k.s.narayan reddy ; 28 th edition ; Pg.no.113 A clean incised wound heals by primary intention . the steps are : Few minutes - dilatation of capillaries margination emigration of neutrophils ,reactive changes in the tissue histiocytes swelling of vascular endothelium . 12 hours - reactive changes occur in the fibroblasts at the site of injury within few hours ; monocytes appear in exudate . 15 hours - monocytes begin to undergo mitotic division . 24 hours - epithelium begins to grow at the edges .Vascular bud begin to form . 72 hours - vascularized granulation tissue is formed . 4-5 days - new fibrils are formed . 1 week - scar formation in small wound . 