This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Muscles of arm and forearm region & Cubital fossa, Subject name: Anatomy
The carpal tunnel contains all of the following impoant structures EXCEPT 
Select and explain. 
A. Median Nerve, B. Flexor pollicis longus, C. Flexor carpi radialis, D. Flexor digitorum superficialis
C: Flexor carpi radialis
Answer: C: Flexor carpi radialis 
Explanation: The tendon of flexor carpi radialis passes through a tunnel created by a fascial slip on the roof of flexor retinaculum.It passes neither superficial nor deep to the flexor retinaculum, it is actually embedded within the retinaculum. Median nerve, flexor pollicis longus and flexor digitorum superficialis all pass deep to the flexor retinaculum and are contents of carpal tunnel.