单词	foramen ovale
释义	foramen ovale noun foramen ova·​le -ō-ˈva-lē  -ˈvä-, -ˈvā- 1 : an opening in the septum between the two atria of the heart that is normally present only in the fetus During fetal life, this small tunnel, the foramen ovale, allows blood to bypass the lungs … . Yet in as many as 10 percent of people, physicians now estimate, the hole remains open, or patent. Richard Saltus 2 : an oval opening in the greater wing of the cranial sphenoid bone for passage of a nerve supplying the mouth and jaw Example Sentences Recent Examples on the Web Research does seem to show that a heart condition, patent foramen ovale or PFO, increases a person’s risk of having migraine with aura, says Dr. Parikh, but the reason why is unknown. Kaitlyn Pirie, Good Housekeeping, 25 July 2022 After birth, the foramen ovale usually closes on its own. Serena Coady, SELF, 28 Apr. 2022 The foramen ovale allows the transportation of blood from the veins to the right side of the fetus’s heart and then onto the left side. Serena Coady, SELF, 28 Apr. 2022 The best guess is that a small hole between the right and left upper chambers of his heart -- called a patent foramen ovale, or PFO -- didn’t close during his infancy. Corbett Smith, Dallas News, 13 June 2020 Doctors blame a hole in McCabe's heart — more formally called a patent foramen ovale, or PFO — as the cause of the stroke. Madeline Farber, Fox News, 12 July 2018 Word History Etymology New Latin, literally, oval opening First Known Use 1677, in the meaning defined at sense 1 Medical Definition foramen ovale noun foramen ova·​le -ō-ˈva-(ˌ)lē  -ˈvā-  -ˈvä-  1 : an opening in the septum between the two atria of the heart that is normally present only in the fetus 2 : an oval opening in the greater wing of the sphenoid for passage of the mandibular nerve
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