The interventricular septum is formed by which of the following?
Inderbir Singh&;s Human embryology; Tenth edition; Pg 239The cavity formed after the conus and proximal bulbus cordis have merged into the primitive ventricle has to be subdivided into right and left halves.Two ridges termed right and left bulbar ridges arise in the wall of the bulboventricular cavity.These ridges grow toward each other and form bulbar septum.
Truncus septum
Conus septum
Septum spurium
Endocardial cushion
General anatomy