A & P Chapter 15

Space between the lungs and beneath the sternum

• Mediastinum

• Base

• Apex

• Pericardium

Broadest part of the heart: where great vessels enter and leave

• Mediastinum

• Base

• Apex

• Pericardium

Pointed end of the heart, Point of maximum impulse
Strongest beat that is felt and heard

• Mediastinum

• Base

• Apex

• Pericardium

The membranous fibroserous sac enclosing the heart and the bases of the great vessels

• Mediastinum

• Base

• Apex

• Pericardium

outer layer of pericardium

• Fibrous pericardium

• Serous pericardium

• Parietal serous layer

• Visceral serous layer

covers heart surface of pericardium

• Fibrous pericardium

• Serous pericardium

• Parietal serous layer

• Visceral serous layer

lines inside of fibrous pericardium

• Fibrous pericardium

• Serous pericardium

• Parietal serous layer

• Visceral serous layer

covers heart surface of serous pericardium

• Fibrous pericardium

• Serous pericardium

• Parietal serous layer

• Visceral serous layer

The endothelial membrane that lines the chambers of the heart

• Endocardium

• Myocardium

• Epicardium

• Atria

The middle layer of the heart wall; composed of cardiac muscle

• Endocardium

• Myocardium

• Epicardium

• Atria