Avulsive Wound
Definition
A wound in which tissue is torn away rather than cleanly cut. Dog and large-cat bites frequently create avulsive wounds through a bite-and-tear motion. Human bites rarely produce avulsion on intact skin in the same way.
- Mechanism
- Tissue torn away rather than cleanly cut
- Common cause
- Dog or large-cat bite-and-tear motion
- Contrast
- Human bites rarely produce it on intact skin
Common questions
Why do human bites rarely produce avulsive wounds?+
Human dentition and jaw mechanics mainly apply compression and shearing rather than the grip-and-pull tearing motion typical of carnivore bites, so avulsion on intact skin is uncommon in human bite marks.
Does an avulsive wound on its own confirm an animal bite occurred?+
No. Avulsion can result from other trauma such as machinery or blunt impact, so it needs to be paired with a recognizable bite pattern or dentition analysis before being attributed to an animal bite.
Related terms
- Carnassial Teeth
- The large, blade-like shearing teeth (upper fourth premolar and lower first molar in dogs and cats) that carnivores use to slice through...
- Inter-Canine Distance
- The distance between the tips or contact points of the upper canine teeth on each side of the arch. This measurement differs...
- Perimortem
- At or around the time of death. Distinguishing perimortem predation injuries (which may indicate a cause of death) from postmortem scavenging (which...
- Puncture Wound
- A wound where a pointed tooth penetrates tissue to create a hole with a relatively small surface opening and a deeper track....
- Scavenging Artefact
- Marks, wounds, or tissue removal caused by animals feeding on a body after death. Scavenging artefacts can alter or destroy existing wounds...