Ostium secundum
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| Days | 33 | |
| Dorlands/Elsevier | o_09/12602025 | |
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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 which persists at large size can be a source of atrial septal defects.[1]
References
External links
- Embryology at Temple Heart98/heart97a/sld036
- CV183 at FPnotebook
- 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 As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
Prenatal development/Mammalian development of circulatory system | |
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| Vascular | Blood island
arteries: Dorsal aorta - Aortic arches - Vitelline arteries - Ductus arteriosus - Umbilical artery |
| Heart development | Primitive heart tube: Truncus arteriosus - Bulbus cordis - Primitive ventricle - Primitive atrium - Sinus venosus Septum primum (Ostium primum, Ostium secundum) - Septum secundum (Foramen ovale) - other septa (Endocardial cushions/Septum intermedium, Aorticopulmonary septum) - Atrial canal |
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
