su·per·fi·cial pal·mar branch of ra·di·al ar·ter·y
[TA] the superficial palmar branch of the radial artery that supplies the thenar muscles then enters the palm to communicate with the superficial palmar arch from the ulnar artery. Synonym(s): ramus palmaris superficialis arteriae radialis [TA], superficial palmar artery, superficial volar artery, superficialis volae