## Distinguishing Features of Incised Wounds **Key Point:** An incised wound is produced by a sharp instrument (knife, razor, glass) with a clean cutting action. The defining characteristic is the relationship between length and depth — the length is typically GREATER than the depth, not the reverse. ### Correct Characteristics of Incised Wounds | Feature | Incised Wound | |---------|---------------| | Margins | Clean, sharp, well-defined | | Tissue bridging | Minimal or absent | | Depth vs. Length | **Length > Depth** | | Bleeding | Profuse (vessels cleanly cut) | | Tissue fluid | Minimal exudation | | Instrument type | Sharp-edged (knife, razor, glass) | | Motion | Sliding/cutting action | **High-Yield:** The statement "depth is always greater than length" is forensically incorrect and is the trap answer. In reality, incised wounds are characteristically longer than they are deep — this is a cardinal distinguishing feature from stab wounds, where depth may exceed length. ### Comparison: Incised vs. Stab Wounds ```mermaid flowchart TD A[Sharp Instrument Injury]:::outcome --> B{Wound Characteristics?}:::decision B -->|Length > Depth| C[Incised Wound]:::outcome B -->|Depth ≥ Length| D[Stab Wound]:::outcome C --> E[Clean margins, minimal tissue bridging]:::action D --> F[Penetrating depth, may be narrow opening]:::action E --> G[Forensic significance: blunt force NOT involved]:::action F --> G ``` **Clinical Pearl:** In medicolegal examination, the length-to-depth ratio helps differentiate incised wounds (typically 3:1 or greater) from stab wounds (often 1:1 or less), which aids in reconstructing the weapon and mechanism of injury. **Warning:** Do not confuse incised wounds with lacerated wounds. Lacerated wounds have irregular, jagged margins with tissue bridging because they result from blunt force trauma, not sharp cutting.
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