Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Primary septum
Introduction
Overview
Overview
The cavity of the primitive atrium becomes subdivided into right and left chambers by a septum, the septum primum, which grows downward into the cavity.
Pathophysiology
Pathophysiology
Gross Pathology
-
Atrial Septal Defect, Septum Primum; View from Right Atrium (a 4 month old baby) -
Atrial Septal Defect, Septum Primum; Also Cleft in Anterior Cusp of Mitral Valve
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]