septum secundum


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to septum secundum: foramen ovale, foramen secundum

septum secundum

[′sep·təm si′kən·dəm]
(embryology)
The second incomplete interatrial septum of the embryo, containing the foramen ovale; it develops to the right of the septum primum and fuses with it to form the adult interatrial septum.
References in periodicals archive ?
If the septum secundum fails to form and cover the perforations in the septum primum, the result is a secundum atrial septal defect (ASD).
The Embryology of Congenital Heart Defects
If defect is in the formation of septum primum-it leads to the formation of ASD (Primum) and if defect is in the formation of septum secundum it forms ASD (secundum).
Lutembacher's syndrome: a case report
18) Using two-dimensional echocardiographic Doppler, the echo dropout between septum primum and septum secundum of the interatrial septum was established for anatomic identification of PFO.
Treatable potential cardiac sources of embolism in patients with cerebral ischemic events: a selective transesophageal echocardiographic study
Encyclopedia browser ?
Full browser ?