Koch's triangle
intraatrial
subendocardial
apicocardiac
Bachmann's bundle
mesocardiac
midventricle
vestibule
subendocardium
Thebesian valve
auricula atrii
atrial auricle
auricle
ventriculoatrial
oblique vein of the left atrium
atrial
vena obliqua atrii sinistri
anticardium
left atrioventricular valve
mitral valve
bicuspid valve
supraventricular
anteroseptum
subpericardial
atrio-
visceral pericardium
epicardium
right ventricle
endocardially
endocardiac
anteroventrolateral
internal auditory artery
subparaventricular
artery of the labyrinth
labyrinthine artery
anteroseptal
septolateral
atrium sinistrum
midcoronal
pericardial sac
left atrium
midventricular
postpericardial
subatrial
left atrium of the heart
auricula
AV node
left ventricle
pneumopericardium
auricular appendix