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What is rigor and Livor mortis?

Updated: 8/10/2023
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14y ago

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Livor Mortis and Lividity are one in the same, they are the collection of coagulated blood in an area. Livor mortis can help coroners or forensics specialist estimate how long an individual has been dead based on how far along or how much lividity there is. It can also tell a coroner or forensics specialist if a person has been moved, for example if someone had died on their back lividity should be present on the back, this is because of gravity, so if they find a dead body face down but lividity is present on the back it is apparent the body has been moved.

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15y ago
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14y ago

Rigor Mortis is muscular stiffening following death.

Livor mortis is bluish, purplish, and reddish discoloration of the skin.

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10y ago

Blood settling in the skin after death.

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Q: What is rigor and Livor mortis?
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Does livor mortis subside?

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1 Pallor mortis 2 Algor mortis 3 Rigor mortis 4 Livor mortis


What is liver mortis?

Livor mortis is the settling of blood in the lowest portion of the body causing a purple color in the skin; "livor" is Latin for 'bluish color' and "mortis" is Latin for 'of death'


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Rigor Mortis, a stiffening of the muscles, usually starts to take place at around 3 hours after someone is dead with full rigor occurring at about 12 hours after death. After the 12 hour mark the rigor slowly ceases and at around 72 hours rigor disappears.


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