What Do the Ductus Arteriosus and the Foramen Ovule Become

Question

What do the ductus arteriosus and the foramen ovule become at birth?
A) ligamentum arteriosum; fossa ovalis
B) fossa ovalis; ligamentum arteriosum
C) ligamentum teres; fossa ovalis
D) none of the above

Accepted Answer

The ductus arteriosus becomes the ligamentum arteriosum, and the foramen ovale becomes the fossa ovalis after birth. These changes occur as part of the normal transition from fetal to neonatal circulation.