ECON 2000 Chapter : Chapter 9 Powerpoint
Document Summary
Post mortem interval (pmi): time since death: different causes of death but death occurs after irreversible cardiac arrest, cardiorespiratory function fails, collapse of blood pressure, supply of a. Body warm and flaccid- < 3 hours: 2. War and stuff 3-8 hours: 3. Cold and stiff 8-36 hours: 4. Taphonomy- transition of a body from the time of death through decomposition, destruction, transport, or burial to fossilization. Fresh- starts at death; ends with beginning of bloat: 2. Skin- blisters and peels; tongue and eyes protrude- gas. Bloody fluid squeezed up from decomposing lungs. Air passages leak- mouth and nostrils in past though to be hemorrhage: 4. Dry or mummification- occasional desiccation-drying out desert like conditions- egypt, s. america-andes borns- virtually almost sterile emerging from uterus. Dry up before bacterial action occurs: cool, dry conditions-hay lofts, barns, 5. 50 degrees f forces that promote decay- insect activity and predators and above; eggs hatch within 8-18 hours); do not lay in rain.
