Correct Answer - C Ans. is 'c' i.e., Septum primum + Septum s | Anatomy embryology histology videos & books

Correct Answer - C
Ans. is 'c' i.e., Septum primum + Septum secundum [Ref
Essentials of human embryology — 213-215]
After birth, the foramen ovale closes by fusion of septum primum with septum secundum.

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