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 myocardium is the middle muscular layer of the heart's walls and it functions by providing a scaffolding for the heart chambers, assisting in contraction and relaxation of the cardiac walls so that blood can pass between the chambers and electrostimulation conduction through its own tissues and into the epicardium.
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.