释义 |
superficial palmar (arterial) arch su·per·fi·cial pal·mar (arterial) arch [TA] the arterial arch in the hand located superficial to the long flexor tendons approximately at the level of a line extrapolated across the palm from the distal side of the outstretched thumb. It is formed principally by the termination of the superficial ulnar artery and is usually completed by a communication with the superficial palmar branch of the radial artery. The arch gives rise to the common palmar digital arteries. Synonym(s): arcus palmaris superficialis [TA], arcus volaris superficialis |