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

annulus conjunctivae
annulus femoralis
annulus fibrocartilagineus membranae tympani
annulus fibrosus
annulus fibrosus cordis
annulus fibrosus disci intervertebralis
annulus fibrosus of intervertebral disc
annulus haemorrhoidalis
annulus inguinalis profundus
annulus inguinalis superficialis
annulus iridis
annulus iridis major
annulus iridis minor
annulus lymphaticus cardiae
annulus of fibrous sheath
annulus ovalis (current term)
annulus tendineus communis
annulus tympanicus
annulus umbilicalis
annulus urethralis
annum
annunciate
annunciated
annunciates
annunciating
annunciation
annunciation
annunciations
Annunciation Day
Annunciation lily

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