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.
The pleural cavity is the area between the lungs and inner chest wall. Pleurisy is a common complication of several different medical conditions, the most pervasive being a viral infection of the lower respiratory system.Other causes of pleurisy include: 1  Bacterial infections such as pneumonia and tuberculosis.2  A chest wound that punctured the pleural cavity. 3  A pleural tumor. 4  Autoimmune disorders like lupus and rheumatoid arthritis. 5  Sickle cell anemia. 6  Pancreatitis. 7  Pulmonary embolism.ther causes of pleurisy include: 1  Bacterial infections such as pneumonia and tuberculosis. 2  A chest wound that punctured the pleural cavity. 3  A pleural tumor. 4  Autoimmune disorders like lupus and rheumatoid arthritis.