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.
Michael Jackson's Worth When He Died at Heart of Billion-Dollar Tax Court Battle. Michael Jackson on set during the filming of his music video for 'Bad,' in New York in 1986. The IRS insists Jackson's name and image were worth more than $434 million. His estate says only $2,105. This story first appeared in the May 6 issue of The Hollywood Reporter magazine.