The proper development of the atrioventricular canal into its prospective components (The heart septum and associated valves) to create a clear division between the four compartments of the heart and ensure proper blood movement through the heart, are essential for proper heart function. When this process does not happen correctly, a child will de...
The canal in the embryonic heart leading from the common sinuatrial chamber to the ventricle. ... (05 Mar 2000) ... 
the common canal connecting the primordial atrium and ventricle; it sometimes persists as a congenital anomaly.
Type: Term Definitions: 1. the canal in the embryonic heart leading from the common sinuatrial chamber to the ventricle.
refers to a congenital heart defect involving an opening low in the atrial septum, an opening high in the ventricular septum, and abnormal development of the mitral and/or tricuspid valves.