Cardiovascular System - Foramen Ovale

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Introduction

Dimensions of the Human Heart and its Orifices at Term
Human Heart at Term[1]

The foramen ovale was a vascular shunt within the developing atria of the heart, two separate forms of foramen ovale closure; functional and structural. Functional closure begins at the first breath and is rapid. Structural (anatomical) closure is much slower and generally occurs before the end of the first year.


See also the related pages ductus venosus and ductus arteriosus.

Historic - Foramen Ovale: 1938 Foramen ovale defects | 1929 Foramen ovale | 1900 Frequency (draft)


Cardiovascular Links: cardiovascular | Heart Tutorial | Lecture - Early Vascular | Lecture - Heart | Movies | 2016 Cardiac Review | heart | coronary circulation | heart valve | heart rate | Circulation | blood | blood vessel | blood vessel histology | heart histology | Lymphatic | ductus venosus | spleen | Stage 22 | cardiovascular abnormalities | OMIM | 2012 ECHO Meeting | Category:Cardiovascular
Historic Embryology - Cardiovascular 
1902 Vena cava inferior | 1905 Brain Blood Vessels | 1909 Cervical Veins | 1909 Dorsal aorta and umbilical veins | 1912 Heart | 1912 Human Heart | 1914 Earliest Blood-Vessels | 1915 Congenital Cardiac Disease | 1915 Dura Venous Sinuses | 1916 Blood cell origin | 1916 Pars Membranacea Septi | 1919 Lower Limb Arteries | 1921 Human Brain Vascular | 1921 Spleen | 1922 Aortic-Arch System | 1922 Pig Forelimb Arteries | 1922 Chicken Pulmonary | 1923 Head Subcutaneous Plexus | 1923 Ductus Venosus | 1925 Venous Development | 1927 Stage 11 Heart | 1928 Heart Blood Flow | 1935 Aorta | 1935 Venous valves | 1938 Pars Membranacea Septi | 1938 Foramen Ovale | 1939 Atrio-Ventricular Valves | 1940 Vena cava inferior | 1940 Early Hematopoiesis | 1941 Blood Formation | 1942 Truncus and Conus Partitioning | Ziegler Heart Models | 1951 Heart Movie | 1954 Week 9 Heart | 1957 Cranial venous system | 1959 Brain Arterial Anastomoses | Historic Embryology Papers | 2012 ECHO Meeting | 2016 Cardiac Review | Historic Disclaimer

Some Recent Findings

More recent papers  
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More? References | Discussion Page | Journal Searches | 2019 References

Search term: Foramen Ovale | Patent Foramen Ovale

Older papers  
These papers originally appeared in the Some Recent Findings table, but as that list grew in length have now been shuffled down to this collapsible table.

See also the Discussion Page for other references listed by year and References on this current page.

Abnormalities

Atrial Septal Defect cartoon
Atrial Septal Defect
 ICD-11 LB20 Congenital Anomaly of Atrioventricular Valves or Septum
A congenital cardiovascular malformation in which there is an abnormality of the atrioventricular valve or atrioventricular septum.

The term atrial septal defects (ASD) describes a group of common (1% of cardiac) congenital anomolies defects occuring in a number of different forms and more often in Females. Patients have been reported living to old age with forms of this cardiac abnormality.[2]

  • patent foramen ovale - allows a continuation of the atrial shunting of blood, in 25% of people a probe patent foramen ovale (allowing a probe to bepassed from one atria to the other) exists.
  • ostium secundum defect
  • endocardial cushion defect involving ostium primum
  • sinus venosus defect - contributes about 10% of all ASDs and occurs mainly in a common and less common form. Common ("usual type") - in upper atrial septum which is contiguous with the superior vena cava. Less common - at junction of the right atrium and inferior vena cava.
  • common atrium
Links: atrial septal defects

References

  1. Windle WF. Physiology of the Fetus. (1940) Saunders, Philadelphia.
  2. Matsumoto T, Tamiya E, Kanoh T, Takabe T, Kuremoto KI, Kamiyama T, Yamamoto S & Daida H. (2019). Atrial Septal Defect of the Ostium Secundum Type in A 101-Year-Old Patient. Int Heart J , , . PMID: 30799379 DOI.

Reviews

Articles

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Cite this page: Hill, M.A. (2019, September 23) Embryology Cardiovascular System - Foramen Ovale. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Cardiovascular_System_-_Foramen_Ovale

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© Dr Mark Hill 2019, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G