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Monthly Archives: June 2011

Decomposition of human body

Decomposition of human body involves two processes : autolysis and putrefaction. Autolysis Autolysis is Self-digestion of tissues. Soon after death, cell membranes become permeable and breakdown, with release of cytoplasm containing enzymes. Lysosomes and their digestive enzymes (mainly hydrolases) are released from the cells. The proteolytic, glycolytic and lipolytic action …

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Postmortem Hypostasis

Postmortem Hypostasis – It is usually of two kinds of coloration, that is, This is the bluish-purple or purplish-red (due to deoxyhaemoglobin) discolouration, which appears under the skin in the most superficial layers of the dermis (rete mucosum) of the dependent parts of the body after death, due to capillo-venous …

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Rigor Mortis

Rigor mortis, also known as death stiffening or cadaveric rigidity, is a state of stiffening of muscles, sometimes with slight shortening of the fibers. Individual cell death takes place in this stage. Mechanism of Rigor Mortis Rigor mortis is a physico-chemical change that occurs within muscles. A voluntary muscle consists …

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Finding the cause of death

Finding the Cause of death – The cause of death is the disease or injury responsible for starting the sequence of events, which are brief or prolonged and which produce death. It may be divided into: IMMEDIATE CAUSE, i.e., at the time of terminal event, e.g., bronchopneumonia, peritonitis, trauma, etc. …

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Sudden death

Sudden death – Death is said to be sudden or unexpected when a person not known to have been suffering from any dangerous disease, injury or poisoning is found dead or dies within 24 hours after the onset of terminal illness (WHO). Some authors limit sudden death as those occurring instantaneously …

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Exhumation

Exhumation is the digging out of an already buried body from the grave. There is no time limit for exhumation in India. Autopsies are performed on exhumed bodies in two cases: In criminal cases, such as homicide, suspected homicide disguised as suicide or other types of death, suspicious poisoning, death …

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Collection of blood

Collection of blood – The cellular barrier of mucous and serous membranes breakdown after death, due to which substances in the stomach and intestine can migrate to the organs in the thorax and abdomen, causing false rise in the blood level. Before autopsy, 10 to 20 ml of blood can be …

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