Heart Layers Flashcards
1
Q
Endocardium
A
Inner layer of heart, which is very smooth and lines chambers of heart
2
Q
Myocardium
A
Middle layer of heart; thick and composed of cardiac muscle; layer produces heart contraction
3
Q
Epicardium
A
Outer layer of heart; forms part of pericardium
4
Q
Pericardium
A
Double-walled outer sac around heart; inner layer of pericardium is the epicardium, outer layer is heart itself; this sac contains pericardial fluid that reduces friction caused by heart beating
5
Q
Visceral Pericardium
A
Inner layer of pericardium surrounding heart
6
Q
Parietal Pericardium
A
Outer layer of pericardium surrounding heart