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Adipocere (n.)
1.(MeSH)Physiological changes that occur in bodies after death.
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Merriam Webster
AdipocereAd"i*po*cere` (�), n. [L. adeps, adipis, fat + cera wax: cf. F. adipocere.] A soft, unctuous, or waxy substance, of a light brown color, into which the fat and muscle tissue of dead bodies sometimes are converted, by long immersion in water or by burial in moist places. It is a result of fatty degeneration.
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⇨ definition of Wikipedia
Adipocere (n.) (MeSH)
C23.550.260.224.617, Algor Mortis (MeSH), Cruor (MeSH), Livor Mortis (MeSH), Postmortem Changes (MeSH)
Adipocere (n.) [MeSH]
Cadaver, Cadavers[Hyper.]
Wikipedia
Adipocere ( /ˈædɨpɵsɪər/), also known as corpse, grave or mortuary wax, is a wax-like organic substance formed by the anaerobic bacterial hydrolysis of fat in tissue, such as body fat in corpses. In its formation, putrefaction is replaced by a permanent firm cast of fatty tissues, internal organs and the face.
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Adipocere was first described by Sir Thomas Browne in his discourse Hydriotaphia, Urn Burial (1658):[1]
In a Hydropicall body ten years buried in a Church-yard, we met with a fat concretion, where the nitre of the Earth, and the salt and lixivious liquor of the body, had coagulated large lumps of fat, into the consistence of the hardest castile-soap: wherof part remaineth with us.
The chemical process of adipocere formation, saponification, came to be understood in the 17th century when microscopes became widely available.[1]
Augustus Granville is believed to have somewhat unwittingly made candles from the adipocere of a mummy and used them to light the public lecture he gave to report on the mummy's dissection.[2]
Adipocere is a crumbly, waxy, water-insoluble material consisting mostly of saturated fatty acids. Depending on whether it was formed from white or brown body fat, adipocere is grayish white or tan in color.[1]
In corpses, the firm cast of adipocere allows some estimation of body shape and facial features, and injuries are often well-preserved.[1]
The transformation of fats into adipocere occurs best in the absence of oxygen in a cold and humid environment, such as in wet ground or mud at the bottom of a lake or a sealed casket, and it can occur with both embalmed and untreated bodies. Adipocere formation begins within a month of death, and in the absence of air it can persist for centuries.[3] Adipocerous formation preserved the left hemisphere of the brain of a 13th century infant such that sulci, gyri, and even Nissl bodies in the motor cortex could be distinguished in the 20th century.[4] An exposed, infested body or a body in a warm environment is unlikely to form deposits of adipocere.
Corpses of women, infants and overweight persons are particularly prone to adipocere transformation because they contain more body fat.[1] In forensic science, the utility of adipocere formation to estimate the postmortem interval is limited because the speed of the process is temperature-dependent. It is accelerated by warmth, but temperature extremes impede it.[1]
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