The faster growth of the dorsal side of the stomach leads to the formation of which curvature?

• A. Lesser curvature
• B. Anterior wall
• C. Posterior wall
• D. Greater curvature

Answer: (D)

The long convex edge that forms the stomach’s outer curve comes from the dorsal side growing faster than the ventral side. This faster dorsal growth causes the stomach to bend and expand along its back, creating the greater curvature. The dorsal mesogastrium thickens to become the greater omentum that hangs from this edge. In contrast, the ventral border forms the shorter, inner curve—the lesser curvature—through the ventral mesentery and the ligaments of the lesser omentum. The rotation of the stomach during development positions these curvatures in their adult arrangement.