![]() Lacerations are tears in soft tissues that break the continuity of the skin. It is the scientific term for scrapes or grazes.Ībrasions in the epidermis layer may heal relatively quickly and leave no scar. Superficial denudation typically occurs when the skin rubs against a sharp object or surface. AbrasionsĪbrasions are open wounds induced by blunt force trauma. To laypeople, contusions are commonly known as bruises. The hematoma or internal bleeding may be visible from the top layer, showing black and blue pigmentation. ContusionsĬontusions are blunt force injuries that tear small blood vessels and connective tissues without breaking the skin layer. In forensic autopsy practice, blunt force trauma has four general categories-contusion, abrasion, laceration, and fracture. Others call this injury “non-penetrating trauma.” Patients may develop blunt force trauma in different body parts, affecting specific internal organs.
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