Arch of aoa develops from which aoa arch aery: (A) Right 1st, (B) Right 3rd, (C) Left 4th, (D) Left 3rd
Answer is C. HUMAN EMBRYOLOGY-INDERBIR SINGH TENTH EDITION-PAGE NO:254The arch of aoa is derived from the ventral pa of the aoic sac(1), its left horn (2)and the left fouh aery(3)