1.  adipose tissue

2.  left atrium

3.  apex of heart

1.  adipose tissue

2.  myocardium of interventricular septum

3.  myocardium of left ventricle wall

 

 

4.  right ventricle

5.  left atrium

6.  left ventricle

 7.  aortic valve

8.  bicuspid or mitral valve

9.  apex of heart

 

 

10.  ascending aorta

11.  left atrium

12.  chordae tendinae

 tunica externa - the outer wall of an artery

tunica interna - the inner wall of an artery

lumen - the middle or opening in the artery through which blood flows