|
|
Medical Definition of Annulus ovalis
1. A muscular ring surrounding the fossa ovalis in the wall of the right atrium of the heart. Synonym: annulus ovalis, margin of fossa ovalis, Vieussens' annulus, Vieussens' isthmus, Vieussens' limbus, Vieussens' ring. (05 Mar 2000)
Lexicographical Neighbors of Annulus Ovalis
Other Resources:
