Atrial Septation & Differentiation
Embryology
>
Cardiorespiratory System
>
Heart
Q. Before the foramen primum of the embryo heart closes, what forms in the septum primum?
a
Foramen secundum
b
Foramen ovale
c
Septum secundum
d
Orifice of the left sinus horn
e
None of the above
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