卵らん円えん孔こう開かい存ぞんMeanings1nounpatent foramen ovaleanatomyMedical term for a condition where the foramen ovale remains open after birth.卵らん円えん孔こう開かい存ぞんは新しん生せい児じ期きに診しん断だんされることが多おおい。Patent foramen ovale is often diagnosed in the neonatal period.