This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Medial wall of Orbit is formed by all except 
Select and explain. 
A. Lesser wing of Sphenoid, B. Frontal process of Maxilla, C. Lacrimal bone, D. Orbital plate of Ethmoid
A: Lesser wing of Sphenoid
Answer: A: Lesser wing of Sphenoid 
Explanation: Medial wall of the Orbit is formed by:From before backwards1. Frontal process of maxilla2. Lacrimal bone3. Orbital plate of ethmoid4. Body of sphenoidReference: Chourasia; 6th edition; 29th page