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putrefaction

 
Dictionary: pu·tre·fac·tion   (pyū'trə-făk'shən) pronunciation
n.
  1. Decomposition of organic matter, especially protein, by microorganisms, resulting in production of foul-smelling matter.
  2. Putrefied matter.
  3. The condition of being putrefied.

[Middle English putrefaccioun, from Late Latin putrefactiō, putrefactiōn-, from putrefactus, past participle of Latin putrefacere, to make rotten. See putrefy.]


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Dental Dictionary: putrefaction
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(pyōō′trə-fak′shən)
n

The rotting of matter through the use of enzymes, producing substances such as ammonia, mercaptans, and hydrogen sulfide.

 
Columbia Encyclopedia: decay of organic matter
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decay of organic matter or putrefaction, process whereby heterotrophic organisms, including some bacteria, fungi, saprophytic plants, and lower animals, utilize the remains of once-living tissue as a source of nutrition. The polysaccharides, lipids, nucleic acids, and proteins of dead tissue are broken down into smaller organic molecules, often by enzymes that are secreted into the external environment by the bacteria and fungi that are involved; the breakdown products are then readily absorbed by the heterotrophs and are used both as a source of building blocks for the synthesis of their own polysaccharides, lipids, nucleic acids, and proteins, and as a source of chemical energy, obtained either by fermentation (in an anaerobic environment) or respiration (in the presence of oxygen). Often during the process of putrefaction, trace elements and nitrogen are released into the environment in forms suitable for uptake by higher plants; this is the basis for the use of decayed organic matter as fertilizer. The disagreeable odor produced as putrefaction takes place is caused by the formation of certain gases, including ammonia and hydrogen sulfide, and certain volatile amines, including putrescine and cadaverine, two products of the breakdown of protein by microorganisms.


Veterinary Dictionary: putrefaction
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Enzymatic decomposition, especially of proteins, with the production of foul-smelling compounds, such as hydrogen sulfide, ammonia and mercaptans. Called also decomposition.

Wikipedia: Putrefaction
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Putrefaction is the decomposition of animal proteins, especially by anaerobic microorganisms, described as putrefying bacteria. Decomposition is a more general process. Putrefaction usually results in amines such as putrescine and cadaverine, which have a putrid odor. Material that is subject to putrefaction is called putrescible.

In alchemy, putrefaction is the same as fermentation, basically meaning to allow the substance to rot or decompose, sometimes with a small sample of the desired original pure material to act as a "seed".

Brief description of putrefaction of a human body with respect to time of death

  • 2–3 days: Staining begins on the abdomen. The body begins to swell owing to gas formation.
  • 3–4 days: The staining spreads and veins become discoloured.
  • 5–6 days: The abdomen swells with gas (produced by the bacteria to decompose the body), and the skin blisters.
  • 2 weeks: The abdomen becomes very tight and swollen.
  • 3 weeks: Tissues begin to soften. Organs and cavities are bursting. The nails fall off.
  • 4 weeks: Soft tissues begin to liquefy, and the face becomes unrecognisable.

The exact rate of putrefaction is dependent upon many factors, such as weather, exposure, and location. Thus things like refrigeration at a morgue or funeral home can retard the process allowing for burial in three days or so following death without embalming.

The University of Tennessee's Forensic Anthropology Facility is a body farm made in 1981 to study human putrefaction. Several others have been built since.

See also


Translations: Putrefaction
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Dansk (Danish)
n. - forrådnelse

Nederlands (Dutch)
verrotting

Deutsch (German)
n. - Zersetzung

Ελληνική (Greek)
n. - αποσύνθεση, σήψη

Italiano (Italian)
putrefazione

Português (Portuguese)
n. - putrefação (f)

Русский (Russian)
гниение, разложение

Español (Spanish)
n. - putrefacción

Svenska (Swedish)
n. - förruttnelse, röta, ruttenhet

中文(简体)(Chinese (Simplified))
腐败, 腐败物

中文(繁體)(Chinese (Traditional))
n. - 腐敗, 腐敗物

한국어 (Korean)
n. - 부패(작용), 부패물

日本語 (Japanese)
n. - 腐敗, 腐敗物

العربيه (Arabic)
‏(الاسم) تعفن, فساد‏

עברית (Hebrew)
n. - ‮ריקבון, רקבובית, הפרשת מוגלה‬


 
 

 

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Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.  Read more
Thesaurus. Roget's II: The New Thesaurus, Third Edition by the Editors of the American Heritage® Dictionary Copyright © 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.  Read more
Dental Dictionary. Mosby's Dental Dictionary. Copyright © 2004 by Elsevier, Inc. All rights reserved.  Read more
Columbia Encyclopedia. The Columbia Electronic Encyclopedia, Sixth Edition Copyright © 2003, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/ Read more
Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Putrefaction" Read more
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