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: Anatomy
Spleen develops from: 
Select and explain. 
A. Foregut diveiculum, B. Dorsal mesogastrium, C. Pleuroperitoneal membrane, D. Septum transversum
B: Dorsal mesogastrium
Answer: B: Dorsal mesogastrium 
Explanation: Dorsal mesogastrium