To remember the branches of the renal arteries, cross your hands in front of you, at the wrist, as shown in the picture. The thumb represents the single posterior segment branch of the renal artery and the four fingers represent the four main anterior segmental arteries.4
Thumb: Posterior segment branch
2nd Finger: Apical segment branch
3rd Finger: Upper segment branch
4th Finger: Middle segment branch
5th Finger: Lower segment branch