The membranous pa of the atrioventricular pa of interventricular septum is between
Inderbir Singh&;s Human embryology; Tenth edition; Pg 244The membranous pa of the interventricular septum is divisible into an anterior pa which separates the right and left ventricle and a posterior pa which separates the left ventricle from the right atrium ( also called interventricular septum).
RA & LV
LA & RV
RA & RV
LA & LV
General anatomy