Defect of pars membranacea of interventricular septum

Illustration of an section of the heart with defect of pars membranacea of interventricular septum.

Term name Layer
1 Inferior vena cava Layer 1
2 Fossa ovalis; oval fossa Layer 1
3 Valve of inferior vena cava [[Eustachi]] Layer 1
4 Valve of coronary sinus [[Thebesi]] Layer 1
5 Opening of coronary sinus Layer 1
6 Septal cusp Layer 1
7 Atrioventricular node [[Aschoff-Tawar]] Layer 1
8 Interventricular septum Layer 1
9 Membranous part Layer 1
10 Septomarginal trabecula; moderator band Layer 1
11 Left bundle Layer 1
12 Right bundle Layer 1
13 Atrioventricular bundle Layer 1