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