The pericardium is a double-walled sac that contains the heart and the roots of the great vessels. The outer wall of the pericardium is composed of dense connective tissue. The portion of the inner wall of the pericardium that is in contact with the heart (but not in contact with the great vessels) is the epicardium. The epicardium contains the blood vessels supplying blood to heart muscle (the coronary arteries) as well as nerve fibers.
It's been three years since the world learned of Michael Jackson's death. Photos: Remembering the King of Pop Three Years Later.
With Monday marking three years since Michael Jackson died, many will be getting their MJ fix by watching some of his best videos from over the years, and undoubtedly, Thriller will be on that lineup. But many may wonder, what happened to the woman in the 1983 Thriller video listed in credits as only Ola Ray, Michael's Girl? View the slideshow to see photos of Ola Ray then and now. With Monday marking three years since Michael Jackson died, many will be getting their MJ fix by watching some of his best videos from over the years, and undoubtedly, Thriller will be on that lineup. But many may wonder, what happened to the woman listed in the 1983 Thriller video's credits only as Ola Ray, Michael's Girl?