Putrefaction is the most absolute sign of death. Externally, the first sign of putrefaction (decomposition) is a greenish discoloration of right side of abdomen over right caecal area. Gradually the color spreads over the whole abdomen, thence on the chest and by this time a putrid odour becomes apparent. The contents of caecum are more fluid and full of bacteria therefore putrefaction develops earlier. Since the caecum is close proximity with abdominal wall, the right lower abdomen stains first.
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This individual died and his body was scavenged by a cat, no further info. The phenomenon of postmortem…

Note the bloating and decompositional blisters as well as the greenish discoloration around the area of the abdomen.…