The foramen ovale becomes the fossa ovalis as the foramen closes, while the edge of the septum secundum in the right atrium becomes the annulus ovalis, so the depression beneath it becomes the fossa ovalis. This enables respiration and circulation independent from the mother's placenta.
Discover more from Healthsoothe: Health And Dental Care
Subscribe to get the latest posts sent to your email.
The content is intended to augment, not replace, information provided by your clinician. It is not intended nor implied to be a substitute for professional medical advice. Reading this information does not create or replace a doctor-patient relationship or consultation. If required, please contact your doctor or other health care provider to assist you in interpreting any of this information, or in applying the information to your individual needs.
