Forensic Medicine · Mechanical Injuries & Wounds

Sharp-Force Wounds: Incised vs Stab (incl. Hara-Kiri)

4 min read · Verified by professors

Incised wound

Definition: A clean-cut wound produced by a sharp-edged weapon in which the length on the skin surface is greater than the depth.

Features

  • Produced by a sharp cutting weapon.
  • Margins are clean-cut, regular and well-defined; edges everted.
  • Edges are not bruised or abraded.
  • Tissue bridges absent; hair bulbs cleanly cut.
  • Wound gapes due to skin elasticity and Langer's lines.
  • Bleeding is profuse.
  • Foreign material is usually absent.
  • Length exceeds depth.
FeatureIncised Wound
CauseSharp cutting weapon
MarginsClean-cut, regular
EdgesEverted
Tissue bridgesAbsent
Bruising / AbrasionUsually absent
Hair bulbsCleanly cut
BleedingProfuse
Length vs DepthLength greater than depth

Stab wound