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: Anatomy
All of the following structures are derived from the aponeurosis of the external oblique muscle except: 
Select and explain. 
A. Pectineal ligament, B. Inguinal ligament, C. Lacunar ligament, D. Linea semilunaris
D: Linea semilunaris
Answer: D: Linea semilunaris 
Explanation: Linea semilunaris is derived from the aponneurosis of the internal oblique muscle. Ligaments derived from the external oblique aponeurosis are pectineal ligament, inguinal ligament, and lacunar ligament. Ref: Gray's Anatomy 41st edition Pgno: 1045