Which carpal bone is directly medial to the scaphoid?

• A. Capitate
• B. Trithecimal
• C. Lunate
• D. Trapezium

Answer: (C)

The carpal bone that is directly medial to the scaphoid is indeed the lunate. Understanding the anatomy of the wrist and the arrangement of carpal bones is crucial for identifying their relative positions. The scaphoid is the most lateral bone in the proximal row of the carpal bones, and moving medially, the next bone encountered is the lunate. The lunate is centrally located in relation to the other carpal bones and articulates with both the scaphoid and the triquetrum, facilitating movement in the wrist.

The orientation of the carpal bones is essential in radiographic imaging and helps in diagnosing various wrist injuries or conditions. Recognizing the lunate’s position is critical for healthcare professionals to accurately assess wrist anatomy and any potential issues that may arise from injuries or degenerative diseases.