Anatomy NOT true about right atrium: A Fossa ovalis represent remnant of foramen ovale B Anterior and posterior pas are divided by Crista terminalis C Anterior pa is derived from absorption of right horn of sinus venosus D Posterior pa is smooth 💡 Explanation NOT true about right atrium: ✓ Correct Answer: C. Anterior pa is derived from absorption of right horn of sinus venosus