The CCIM Institute, headquartered in Chicago and an affiliate of the National Association of REALTORSÂ®, awards the CCIM designation to individuals who complete a process based both on commercial and investment real estate theory and practice. Weâll review this process in a moment.
The endocardium is the most inner layer of the heart. It forms the inner layer of all four heart chambers and is directly connected to all the inner cardiac appendages, such as the bicuspid valve, the tricuspid valve, the pulmonary valve, the aortic valve, the chordae tendineae and the papillary muscles.
SURFACE ANATOMY AND FEATURES OF THE. HEART AND THE PERICARDIUM. THE PERICARDIUM: DEFINITION / DESCRIPTION (Fig 1): The pericardium is a double-walled, truncated, cone-shaped fibroserous sac, which encloses the. heart within the middle mediastinum. Its main function is to prevent sudden overfilling of the heart. It also secretes serous fluid, which prevents friction between its inner surface and the outer surface.