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: Unknown
In interphalangeal joint, capsule is absent in the - 
Select and explain. 
A. Medial side, B. Dorsal side, C. Palmar side, D. Lateral side
B: Dorsal side
Answer: B: Dorsal side 
Explanation: Ans- B Gray's anatomy 3rd edition: The interphalangeal joints of the hand are hinge joints that allow mainly flexion and extension. They are reinforced by medial and lateral collateral ligaments and palmar ligaments.