Bounderies of anatomical snuff box are all except

Ans. is 'd' i.e., ECU Anatomical Snuffbox Triangular depression on the dorsal and radial aspect of the hand become visible when thumb is fully extended. Boundaries Medial/Posterior - Tendon of the extensor pollicis longus. Lateral/Anterior - Tendon of the extensor pollicis brevis and abductor pollicis longus. Roof Skin and - fascia with beginning of cephalic vein and crossed by superficial branch of the radial nerve. Floor - Styloid process of radius, trapezium, scaphoid and base of 1st metacarpal. Contents - The radial aery.