ostium secundum (interatrial foramen secundum)
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Introduction
A secondary opening between the left atrium & right atrium in the embryonic heart, appearing during the 6th week of gestation in the upper part of the septum primum.
Pathology
- ostium secundum atrial septal defect
More general terms
Additional terms
References
- ↑ Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999.