the anterior branch of the following: 1) great auricular nerve; 2) lateral cerebral sulcus; 3) left and right superior pulmonary veins; 4) medial cutaneous nerve of the forearm; 5) obturator artery; 6) obturator nerve; 7) renal artery; 8) right branch of portal vein; 9) right hepatic duct; 10) superior thyroid artery; 11) ulnar recurrent artery. Syn: ramus anterior [NA].