What is the normal opening in the lower middle third of the
atrial septum?
a. Foramen of Magendie
b. Foramen of Monro
c. Foramen ovale
d. Ductus arteriosus
What is the normal opening in the lower middle third of the
atrial septum?
a. Foramen of Magendie
b. Foramen of Monro
c. Foramen ovale
d. Ductus arteriosus
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