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Forensic Pathology
Review for 12th grade Death Analysis Test
| Terms | Definitions |
|---|---|
| Rigor Mortis | The stiffening of the muscles after death |
| Algor Mortis | The rate of cooling of a corpse over time |
| Livor Mortis | The discoloration of a corpse due to the pooling of blood |
| Dual Lividity | More than one side of the body displays livor, indicating the body was moved between 2 and 8 hours after death; a red flag for homicide |
| Rigor begins. What is the PMI? | 2-6 hours |
| PMI | Post Mortem Interval |
| Full rigor is achieved at what PMI? | 12 hours |
| Rigor has completely faded at what PMI? | 36-48 hours |
| Manner of death | Accidental, suicide, homicide, natural or undetermined (indicates responsibility; Who, if anyone is at fault). |
| Mechanism of death | What happens inside the body, or the body's response to a situation that brings on death. |
| Cause of death | The major event that brought about the death |
| Proximate cause of death | The factors that led up to the cause of death; the cause of the cause, otherwise known as secondary causes. |
| Butyric Fermentation | The body starts to dry out. Most of the flesh is gone. |
| Putrefaction | Odor of decaying flesh is present and the corps appears swollen |
| Black Putrefaction | Very strong odor. Parts of the flesh appear black. Gases escape and the corpse collapses. |
| Dry Decay | Corpse is almost dry. Further decay is very slow from lack of moisture. |
| Tent Girl | A body that was unidentified for 30 years. The PMI was much longer than estimated because the body was preserved in a tent like material. |
| Cause of Rigor Mortis | Depletion of oxygen and concentration of Calcium ions. |
| Cause of Livor Mortis | Break down (or autolysis) of red blood cells, spilling out their contents, which pool to the lowest areas of the body due to gravity and then congeal (set) after 8 hours' time. |
| Autolysis | The spontaneous break down of cells as they self-digest |