<prompt> Structure present in anatomical snuff box:Ulnar arteryRadial ArteryMedian nerveRadial nerve  <response>: Anatomical snuff box is a depression which appears on the lateral aspect of wrist and becomes prominent when thumb is extended. BOUNDARIES- Anteriolateral Radial- abductor pollicis longus and extensor pollicis brevis Postero-medial ulnar - extensor pollicis longus Floor- scaphoid and trapezium Roof- subcutaneous tissue and skin. 