The septum secundum, semilunar in shape, grows downward from the upper wall of the atrium immediately to the right of the primary septum and ostium secundum. Shortly after birth it fuses with the septum primum, and consequently the foramen ovale is closed, but sometimes the fusion is incomplete and the upper part of the foramen remains patent. The...
Found on
http://en.wikipedia.org/wiki/Septum_secundum
The second of two major septal structures involved in the partitioning of the atrium, developing later than the septum primum and located to the right of it; like the septum primum, it is crescentic, but its tips are directed toward the sinus venosus, and it is more heavily muscular; it remains an incomplete partition until after birth, with its un...
Found on
http://www.encyclo.co.uk/local/20973
Type: Term Definitions: 1. the second of two major septal structures involved in the partitioning of the atrium, developing later than the septum primum and located to the right of it; like the septum primum, it is crescentic, but its tips are directed toward the sinus venosus, and it is more heavily muscular; it remains an incomplete partition unt...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=81111
No exact match found.
