骨间返动脉终末支至肘后部与桡侧返动脉、桡侧副动脉背侧支、中副动脉构成吻合。
The distal branches of the artery anastomoses with the radial recurrent artery , the posterior branches of the radial collateral artery and the middle collateral artery at the posterior cubitar region .
中副动脉