Forensics Flashcards
How quickly after death does decomposition begin?
4 mins
What is autolysis?
Self digestion - body is deprived of CO2 and O2, enzymes begin to digest cells and tissues
(Shown by fluid filled blisters)
What is putrefaction?
Destruction of soft tissues
What is saponification?
Fat converted into soap which forms under high pH conditions (adipocere formation)
What is mummification?
Dehydration/end result of tissues: skin converted into a thin leathery sheet that sticks to bone in dry conditions, low humidity
What are the four stages of human decomposition?
Fresh stage - autolysis
Bloat stage - putrefaction
Decay stage - saponification
Dry stage - diagenesis
What factors affect decomposition?
Temperature, level of moisture
What are the four main developmental stages of blowflies?
Egg, larvae, pupae, flies
What is entomologist?
Temperature,