Foramen secundum
System
Cardiovascular
SNOMED CT
308854001
Foramen secundum
Definition
The foramen secundum is an opening in the septum primum, a precursor to the interatrial septum of the human heart. It is formed at a later developmental stage than the foramen primum. Its location is also different relative to the site of the foramen primum in the septum primum.
Also known as ostium secundum — per UBERON
The Foramen secundum is a part of the Cardiovascular.