Anatomy MCQ – Development of aorta

Which of the following gives rise to the muscular component of dorsal aorta?

A. Intermediate mesoderm

B. Lateral plate mesoderm

C. Axial mesoderm

D. Paraxial mesoderm

Correct answer : B. Lateral plate mesoderm

Vascular smooth muscle cells are thought to arise from splanchnic layer of paraxial mesoderm. But recent studies have shown that the aortic smooth muscle cells arise from the lateral plate mesoderm.