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
Midpalmar space of hand communicates with all except - 
Select and explain. 
A. Forearm space, B. Fascial sheath of 1st lumbrical, C. Fascial sheath of 2nd lumbrical, D. Fascial sheath of 3rd lumbrical
B: Fascial sheath of 1st lumbrical
Answer: B: Fascial sheath of 1st lumbrical 
Explanation: First lumbrical is a content of thenar space, not midpalmar space.