This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Blood supply to greater omentum is provided by: 
Select and explain. 
A. Gastric aery, B. Gastroepiploic aery, C. Splenic aery, D. All of the above
B: Gastroepiploic aery
Answer: B: Gastroepiploic aery 
Explanation: The blood supply to the greater omentum is derived from the right and left gastroepiploic aeries. The venous drainage parallels the aerial supply to a great extent, with the left and right gastroepiploic veins ultimately draining into the poal system. Ref: Schwaz's principle of surgery 9th edition, chapter 35.