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
Structure forming medial boundary of femoral ring is: 
Select and explain. 
A. Inguinal ligament, B. Pecten pubis, C. Lacunar ligament, D. Conjoint tendon
C: Lacunar ligament
Answer: C: Lacunar ligament 
Explanation: Ans. C i.e. Lacunar ligament