This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy, Development and clinical examination, Subject name: Ophthalmology
Thinnest wall of the orbit is 
Select and explain. 
A. Medial wall, B. Floor, C. Roof, D. Lateral wall
A: Medial wall
Answer: A: Medial wall 
Explanation: BONY ORBIT The medial walls of two orbits are parallel to each other and, being thinnest, are frequently fractured during injuries as well as during orbitotomy operations and, it also accounts for ethmoiditis being the commonest cause of orbital cellulitis( ethmoidal infection spreads medial wall into orbit). Reference :- A K KHURANA; pg num:-377