| Ostium secundum | |
|---|---|
| Days | 33 |
The ostium secundum (or foramen secundum) is a foramen in the septum primum.
It should not be confused with the foramen ovale, which is a foramen in the septum secundum.
Clinical significance
An ostium secundum that persists at large size can be a source of atrial septal defects.[1]
References
External links
- Embryology at Temple Heart98/heart97a/sld036
- http://www.mayoclinic.org/atrial-septal-defect/types.html
- http://sprojects.mmi.mcgill.ca/embryology/cvs/ias.html
- http://staff.um.edu.mt/acus1/Heart-b.htm
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated.
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