Definition of Foramen ovale
Foramen ovale: An oval opening between the two upper chambers of the heart (the atria) that is a normal feature of fetal and newborn circulation. The foramen ovale normally closes by 3 months of age.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 3/19/2012
Drug Medical Dictionary of Terms by Letter
Medical Dictionary Term:
Get breaking medical news.