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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 |