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Permanent cavity

The lasting wound channel produced by the bullet's direct crushing and laceration of tissue. Diameter approximates expanded projectile diameter. At handgun velocities, this is the dominant injury mechanism. Visible at autopsy dissection.

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Related terms

Temporary cavityAbrasion collarAccidental dischargeBallistic coefficient (BC)Blow-out exit woundChoke (shotgun)DeflagrationExternal ballisticsFBI 10% gelatin protocolGrease ringHydrostatic shockInternal ballistics

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