Content of the star marked triangle: (A) Basilic vein and superficial branch of radial nerve, (B) Radial aery only, (C) Radial aery and Posterior interosseous nerve(PIN), (D) Cephalic vein and Posterior interosseous nerve(PIN)
Answer is B. Marked triangle - Anatomical snuff box Anatomical snuff box -Content - radial aery -Boundaries Anterolaterally - abductor pollicis longus and extensor policis brevis Posteromedially- extensor pollicis longus Floor-styloid process, scaphoid,trapezium Floor-Carpetted by tendons of ECRL,ECRB Roof-Cephalic vein ,Sup. branch of radial nerve