Heart development — Flashcards

In the fourth step of atrial partitioning, the septum secundum expands and covers most of the foramen secundum, leaving the residual _____

Failure of the septum primum and septum secundum to fuse after birth results in a(n) _____

In the first step of atrial partitioning, the _____ grows toward the endocardial cushions, forming a narrow ostium primum

What is the embryonic origin of the endocardial cushion and the aorticopulmonary septum? _____

In the first step of ventricular partitioning, the _____ interventricular septum develops and forms the interventricular foramen

In the infantile form, coarctation of the aorta lies _____ the aortic arch, but _____ the PDA

The mitral and tricuspid valves are derived from the fused _____ of the common AV canal

Most of the highly oxygenated blood reaching the heart via the fetal IVC is directed from the RA to the LA via the _____ and pumped into the aorta to supply the head and body

Tetralogy of Fallot is caused by _____ displacement of the infundibular septum

The embryonic _____ gives rise to the coronary sinus