The ______________ is the first part of the atrial septum to grow from the dorsal wall of the primitive atrium. It fuses with the endocardial cushions.

Question

Quizplus · Accepted Answer

The septum primum is the initial portion of the atrial septum that develops from the dorsal wall of the primitive atrium and eventually fuses with the endocardial cushions, playing a crucial role in the formation of the interatrial septum.

The ______________ Is the First Part of the Atrial Septum