This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Forearm wrist and hand injuries, Subject name: Orthopaedics
[{'content': 'Midpalmar space ends distally in \nSelect and explain. \nA. Along the digital sheaths, B. Into the flexor tendon sheaths, C. Into the web space, D. Distal palmar crease', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Midpalmar space * Anterior -- Palmar aponeurosis, superficial palmar arch, flexor tendons of medial 3 digits covered in ulnar bursa and medial 3 lumbricals * Posterior - Fascia covering 3 & 4 interossei and metacarpal bones * Medial -- Medial Palmar septum * Lateral - Midpalmar septum * Proximal -- distal margin of flexor retinaculum * Distal - medial 2 web spaces thru lumbrical canals Ref: Maheshwari and Mhaskar 9th ed pg 208.', 'role': 'assistant'}]