Definition of Foramen ovaleForamen 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. Last Editorial Review: 3/19/2012
Back to MedTerms online medical dictionary A-Z List 
Need help identifying pills and medications? |
Get the latest health and medical information delivered direct to your inbox FREE!
