| Kieli | Käännökset |
|---|---|
| ranska | foramen ovale |
| Monikko | foramen ovales |
(medicine, anatomy, embryology) An opening in the septum between the right and left atria of the fetal heart that normally closes after birth.
Sketch showing foramen ovale in a fetal heart. Red arrow shows blood from the inferior cava traveling to the right atrium and then to the left atrium. HF: right atrium, VF: left atrium. HH and VH: right and left ventricle. The heart still has a common pulmonary vein (LV), instead of four.