<prompt> True about blood supply of scaphoid?Mainly through ulnar aeryMajor supply from ventral surfaceMajor supply from dorsal surfaceProximal supply in antegrade fashion  <response>: Major blood supply 70-80 of scaphoid comes through dorsal surface dorsal branches of radial aery.These dorsal vessels enter the scaphoid at or just distal to waist area and supply the proximal pole in retrograde fashion. 