Complex variation of the superficial palmar arch--case report.

This article describes a complex variation in the pattern of blood supply to the palm of the hand. In the present case; a) the superficial palmar branch of the radial a. coursed superficial to the thenar mm.; b) The princeps pollicis and radialis indicis aa. arose from the superficial palmar branch of the radial a.; c) The first and second common palmar digital aa. arose as a common trunk from the superficial palmar arch.