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Post-mortem interval (PMI) is the time that has elapsed since a person has died. If the time in question is not known, a number of medical/scientific techniques are used to determine it. This also can refer to the stage of decomposition of the body. ==Types of change after death== Many types of changes to a body occur after death. Some of those that can be used to determine the post mortem interval are:〔''(Survey of Biological Factors Affecting the Determination of the Postmortem Interval )''. Bautista, Richard. Spring 2012.〕〔''(Blood, guts, gore and soil: decomposition processes in graves and forensic taphonomic applications )''. Tibbett, Mark. 2010 19th World Congress of Soil Science, Soil Solutions for a Changing World.〕 * Algor mortis - body cooling;〔 * Livor mortis - settling of blood in the lowest-placed parts of the body;〔 * Rigor mortis - stiffening of limbs;〔 * Forensic entomology - insect (especially blowfly)〔 activity on the corpse;〔 * Vitreous humour changes - eye chemistry; * State of decomposition - autolysis (process of self digestion) and putrefaction (process caused by bacteria found within the body).〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Post-mortem interval」の詳細全文を読む スポンサード リンク
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