Antemortem injuries occur before death with signs of healing, perimortem injuries happen around the time of death with fresh bone response, and postmortem injuries occur after death with jagged fracture margins.
Antemortem injuries are those that happen before death and typically show signs of healing, such as fracture callus formation. Perimortem injuries occur at or around the time of death and are characterized by fresh bone response, often resulting from sharp force trauma. Postmortem injuries happen after death and display jagged fracture margins due to decomposition.
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