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During this stage, flies (when present) begin to lay eggs in the openings of the body: eyes, nostrils, mouth, ears, open wounds, and other orifices. As a result of autolysis, liquid is created that seeps between the layers of skin and results in peeling of the skin. In other words, though autolysis resembles the active process of digestion of nutrients by live cells, the dead cells are not actively digesting themselves as is often claimed in popular literature and as the synonym of autolysis – self-digestion – seems to imply.

However, these enzymes are released into the cells because of cessation of the active processes in the cells, not as an active process.

The first stage is autolysis, more commonly known as self-digestion, during which the body's cells are destroyed through the action of their own digestive enzymes.Observation of the various stages of decomposition can help determine how long a body has been dead. Human decay Ĭadaver in Refrigerator in the Forensic Medicine at the Charité Berlin Ĭadavers have been used in art to depict the human body in paintings and drawings more accurately. Cadavers can be observed for their stages of decomposition, helping to determine how long a body has been dead. A cadaver graft (also called “postmortem graft”) is the grafting of tissue from a dead body onto a living human to repair a defect or disfigurement. Related terms include cadaverous (resembling a cadaver) and cadaveric spasm (a muscle spasm causing a dead body to twitch or jerk). The word comes from the Latin word cadere ("to fall").

The term cadaver is used in courts of law (and, to a lesser extent, also by media outlets such as newspapers) to refer to a dead body, as well as by recovery teams searching for bodies in natural disasters. Others who study cadavers include archaeologists and arts students. Students in medical school study and dissect cadavers as a part of their education. Cadavers are used by medical students, physicians and other scientists to study anatomy, identify disease sites, determine causes of death, and provide tissue to repair a defect in a living human being. A cadaver or corpse is a dead human body.