Fossa ovalis of right atrium
Fossa ovalis atrii dextri
- Synonym: Oval fossa of right atrium
- Related terms: Fossa ovalis; Oval fossa
Definition
The fossa ovalis is an oval depression on the septal wall of the atrium, and corresponds to the situation of the foramen ovale in the fetus. It is situated at the lower part of the septum, above and to the left of the orifice of the inferior vena cava.
References