NEET PG Medical – 2012 – Question – 25
Fossa ovalis closes because of fusion of ?
a) Septum primum + Endocardial cushion
b) Septum secundum + Endocardial cushion
c) Septum primum + Septum secundum
d) None
Show Answer
Correct Answer – C
Ans. is ‘C’ i.e., Septum primum + Septum secundum [Ref Essentials of human embryology — 213-215]
After birth, the foramen ovule closes by fusion of septum primum with septum secundum.