This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
Which membrane is in the way if you try to reach the lesser peritoneal sac and head of the pancreas after penetrating the greater peritoneal sac? 
Select and explain. 
A. Falciform ligament, B. Gastrohepatic ligament, C. Gastrosplenic ligament, D. Hepatoduodenal ligament
B: Gastrohepatic ligament
Answer: B: Gastrohepatic ligament 
Explanation: Gastrohepatic ligament The gastrohepatic ligament is the pa of the lesser omentum that separates the greater peritoneal sac from the right poion of the lesser peritoneal sac. This poion of the lesser omentum has no significant blood vessels within it and may be incised for surgical access. Ref ganong's review of medical physiology 25e p679