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28Jan2011 Notes

28Jan2011 Notes - 28Jan2011 Post-Mortem Decomposition(PMD...

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28Jan2011 Post-Mortem Decomposition (PMD) Effects on Human and Animal Bodies By Ted H. Noon Objectives: 1. Learn about technical aspects of post-mortem decomp 2. Tie in mythology to these aspecs Differentiate from necrosis (tissue, cell death…) Autolysis The spontaneous destruction of tissues or cells after deather by the action of their own enzymes Putrefaction Stench of death Enzymatic & bacterial decomp of proteins resulting in the production of foul smelling gaseous compounds o Ex. Hydrogen sulfide, ammonia, mercaptans, purescine, cadaverine Aided by saprophytic bacteria Autologous enzymes Contained in cell lysosomes Released after cell death Result in “self digestion” One of the frst things that happens when you die Putrefactive bacteria-part of bacterial flora contained in the gut (saprophytes – fecal bacteria) Normal cell barriers break down after death Bacteria proliferate rapidly and swarm through tissues Release enzymes that digest tissues/cells
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