Marbling Of The Skin Occurs During The Process Of

Vibices are pale marks on a dead person s skin that are caused by dermal pressure.

Marbling of the skin occurs during the process of. Marbling may develop with the delineation of the vasculature as a result of the reaction of hydrogen sulfide produced by bacteria with hemoglobin from the lysis of erythrocytes as shown below. Onset of lividity its location and color provide information on the time and cause of death. Livor mortis refers to the bluish purple discoloration under the skin of the lower body parts due to gravitation of blood after death. It is however not the only cause of aging skin.

The natural aging process is the primary reason for the appearance of wrinkles fine lines and other signs of skin aging. Mottling is caused by the heart no longer being able to pump blood effectively. 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. Skin coming off the body marbling tache noire.

See air embolism pulmonary barotrauma. Mottling of skin before death is common and usually occurs during the final week of life although in some cases it can occur earlier. Mottling most frequently occurs first on the feet then travels up the legs. Another early process is that of algor mortis which occurs when the body goes cold as it ceases to regulate its internal temperature.

Postmortem skin changes include livor mortis vibices tardieu spots and marbling. Mottling is blotchy red purplish marbling of the skin.