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.
Discover All of Michael Jackson's Girlfriends By Jill Slattery on Images of Michael Jackson who passed away at the age of 50 in Los Angeles, CA on June 25, 2009. (Bauer Griffin)more pics Â» Michael Jackson (Bauer Griffin) If you're looking to discover all the girlfriends that Michael Jackson had during his lifetime, you've come to the right place. The King of Pop was linked to various women throughout his lifetime. Some romances were very public, while others were more quiet.