Population density shows how cramped or spread out inhabitants are. Cities with high population densities can be considered overpopulated, but the extent to which this is the case depends on factors like quality of housing and infrastructure and access to resources. Source: Wikipedia, 2017.
Livor mortis on the posterior aspects of the body is caused by settling of the blood because of gravity when the body is in a supine position. As the postmortem interval lengthens, Tardieu spots develop in areas of lividity, such as this individual's shoulder area, as decomposing capillaries rupture.
livor morÂ´tis discoloration on dependent parts of the body after death. livor mortis. a purple discoloration of the skin in some dependent body areas following death as a result of blood cell destruction. postmortem hypostasis. The red-purple colouring of the skin surface which appears on dependent body parts after circulation has ceased and gravity pulls the now-stagnant blood to the lowest points of the body.