What is an oval aperture in the interatrial septum of the foetus called?
A. Fossa ovalis
B. Foramen ovalis
C. Ligamentum arteriosum
D. Ductus arteriosus
Answer:B
What is an oval aperture in the interatrial septum of the foetus called?
A. Fossa ovalis B. Foramen ovalis C. Ligamentum arteriosum D. Ductus arteriosus