Marbling Of Skin Forensic

The skin may reveal clues to the identity of an individual and the time and method of death or injury.
Marbling of skin forensic. After death a sequence of changes naturally occurs in the human body. Normal postmortem changes in the skin are described along with pseudopathology and damage from. Marbling over the trunk and limbs is another feature of postmortem skin decomposition caused by the spread of bacteria through the venous system. Onset of lividity its location and color provide information on the time and cause of death.
When the skin comes clean off of a dead person s hands it is typically known as glove formation a phenomenon known as marbling occurs when certain types of bacteria found in the abdomen. See air embolism pulmonary barotrauma. Skin breaks down leading to blistering and skin slippage and bacterial growth in soft tissues with gaseous formation leads to bloating of the body. This process can be seen as discolouration of the vessels marbling.
Internal pressures build up forcing decomposition fluids from the lungs through the mouth and nose purge fluid. Marbling forensic pathology venous patterning a mosaic of discoloration due to prominent subdermal vessels on the skin of a body in early decomposition decay sports medicine skin marbling mottling of skin seen in divers with pulmonary barotrauma and air embolism. From 60 to 72 hours postmortem the body exhibits generalised swelling and bloating from increased gas production by bacteria. Although these changes proceed in a relatively orderly fashion a variety of external factors and intrinsic characteristics may accelerate or retard decomposition.
Correct forensic terminology and documentation of dermatologic findings is of critical importance in forensic investigations. Postmortem skin changes include livor mortis vibices tardieu spots and marbling. Understanding common postmortem changes and the variables that affect them allows the forensic pathologist to more accurately estimate the postmortem interval. See air embolism pulmonary barotrauma.