Roof of the Anatomical snuff box is formed by the: (A) Radial aery, (B) Basilic aery, (C) Sup branch of radial nerve, (D) Sup branch of ulnar nerve
Answer is C. Anatomical snuff box boundaries: Lateral wall Abductor pollicis longus Extensor pollicis brevis Medial wall Extensor pollicis longus Roof Cephalic vein Sup branch of radial nerve Floor Radial styloid, scaphoid, trapezium,1st meta carpal Content Radial Aery Ref: Gray's Anatomy The Anatomical Basics of Clinical Practice 41 e pg 893.